Home / 4,931,401.02-7,397,911.15-1,519,688.20

Finding the Fourth Proportional to 4,931,401.02, 7,397,911.15 and 1,519,688.20

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Solution

The fourth proportional to 4,931,401.02, 7,397,911.15 and 1,519,688.20 is: 2,279,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,401.02 : 7,397,911.15 = 1,519,688.20 : x
  2. Step 2: Convert to fraction form
    4,931,401.02/7,397,911.15 = 1,519,688.20/x
  3. Step 3: Cross multiply
    4,931,401.02x = 7,397,911.15 × 1,519,688.20
  4. Step 4: Simplify right side
    4,931,401.02x = 11,242,518,234,715.43
  5. Step 5: Solve for x
    x = 11,242,518,234,715.43/4,931,401.02
  6. Step 6: Final answer
    x = 2,279,781.79

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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.