Home / 2,931,681.60-4,397,406.32-1,225,384.20

Finding the Fourth Proportional to 2,931,681.60, 4,397,406.32 and 1,225,384.20

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Solution

The fourth proportional to 2,931,681.60, 4,397,406.32 and 1,225,384.20 is: 1,838,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,681.60 : 4,397,406.32 = 1,225,384.20 : x
  2. Step 2: Convert to fraction form
    2,931,681.60/4,397,406.32 = 1,225,384.20/x
  3. Step 3: Cross multiply
    2,931,681.60x = 4,397,406.32 × 1,225,384.20
  4. Step 4: Simplify right side
    2,931,681.60x = 5,388,512,225,508.14
  5. Step 5: Solve for x
    x = 5,388,512,225,508.14/2,931,681.60
  6. Step 6: Final answer
    x = 1,838,027.78

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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.