Home / 2,985,378.09-4,118,830.69-2,433,144.22

Finding the Fourth Proportional to 2,985,378.09, 4,118,830.69 and 2,433,144.22

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Solution

The fourth proportional to 2,985,378.09, 4,118,830.69 and 2,433,144.22 is: 3,356,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,378.09 : 4,118,830.69 = 2,433,144.22 : x
  2. Step 2: Convert to fraction form
    2,985,378.09/4,118,830.69 = 2,433,144.22/x
  3. Step 3: Cross multiply
    2,985,378.09x = 4,118,830.69 × 2,433,144.22
  4. Step 4: Simplify right side
    2,985,378.09x = 10,021,709,086,532.11
  5. Step 5: Solve for x
    x = 10,021,709,086,532.11/2,985,378.09
  6. Step 6: Final answer
    x = 3,356,931.28

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Double scale
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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.