Home / 3,722,981.40-5,578,567.20-2,459,332.80

Finding the Fourth Proportional to 3,722,981.40, 5,578,567.20 and 2,459,332.80

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Solution

The fourth proportional to 3,722,981.40, 5,578,567.20 and 2,459,332.80 is: 3,685,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,981.40 : 5,578,567.20 = 2,459,332.80 : x
  2. Step 2: Convert to fraction form
    3,722,981.40/5,578,567.20 = 2,459,332.80/x
  3. Step 3: Cross multiply
    3,722,981.40x = 5,578,567.20 × 2,459,332.80
  4. Step 4: Simplify right side
    3,722,981.40x = 13,719,553,291,964.16
  5. Step 5: Solve for x
    x = 13,719,553,291,964.16/3,722,981.40
  6. Step 6: Final answer
    x = 3,685,098.53

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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.