Home / 3,820,010.69-5,271,503.69-2,101,130.75

Finding the Fourth Proportional to 3,820,010.69, 5,271,503.69 and 2,101,130.75

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Solution

The fourth proportional to 3,820,010.69, 5,271,503.69 and 2,101,130.75 is: 2,899,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,010.69 : 5,271,503.69 = 2,101,130.75 : x
  2. Step 2: Convert to fraction form
    3,820,010.69/5,271,503.69 = 2,101,130.75/x
  3. Step 3: Cross multiply
    3,820,010.69x = 5,271,503.69 × 2,101,130.75
  4. Step 4: Simplify right side
    3,820,010.69x = 11,076,118,520,229.05
  5. Step 5: Solve for x
    x = 11,076,118,520,229.05/3,820,010.69
  6. Step 6: Final answer
    x = 2,899,499.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.