Home / 3,638,770.56-5,021,416.80-2,007,143.28

Finding the Fourth Proportional to 3,638,770.56, 5,021,416.80 and 2,007,143.28

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Solution

The fourth proportional to 3,638,770.56, 5,021,416.80 and 2,007,143.28 is: 2,769,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,770.56 : 5,021,416.80 = 2,007,143.28 : x
  2. Step 2: Convert to fraction form
    3,638,770.56/5,021,416.80 = 2,007,143.28/x
  3. Step 3: Cross multiply
    3,638,770.56x = 5,021,416.80 × 2,007,143.28
  4. Step 4: Simplify right side
    3,638,770.56x = 10,078,702,986,199.10
  5. Step 5: Solve for x
    x = 10,078,702,986,199.10/3,638,770.56
  6. Step 6: Final answer
    x = 2,769,809.97

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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.