Home / 5,071,221.66-7,605,225-1,658,719.20

Finding the Fourth Proportional to 5,071,221.66, 7,605,225 and 1,658,719.20

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Solution

The fourth proportional to 5,071,221.66, 7,605,225 and 1,658,719.20 is: 2,487,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,221.66 : 7,605,225 = 1,658,719.20 : x
  2. Step 2: Convert to fraction form
    5,071,221.66/7,605,225 = 1,658,719.20/x
  3. Step 3: Cross multiply
    5,071,221.66x = 7,605,225 × 1,658,719.20
  4. Step 4: Simplify right side
    5,071,221.66x = 12,614,932,727,820
  5. Step 5: Solve for x
    x = 12,614,932,727,820/5,071,221.66
  6. Step 6: Final answer
    x = 2,487,553.01

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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.