Home / 3,639,475.20-5,459,212.80-2,799,667.20

Finding the Fourth Proportional to 3,639,475.20, 5,459,212.80 and 2,799,667.20

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Solution

The fourth proportional to 3,639,475.20, 5,459,212.80 and 2,799,667.20 is: 4,199,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,475.20 : 5,459,212.80 = 2,799,667.20 : x
  2. Step 2: Convert to fraction form
    3,639,475.20/5,459,212.80 = 2,799,667.20/x
  3. Step 3: Cross multiply
    3,639,475.20x = 5,459,212.80 × 2,799,667.20
  4. Step 4: Simplify right side
    3,639,475.20x = 15,283,979,013,980.16
  5. Step 5: Solve for x
    x = 15,283,979,013,980.16/3,639,475.20
  6. Step 6: Final answer
    x = 4,199,500.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.