Home / 5,174,665.20-7,761,997.80-1,808,521.20

Finding the Fourth Proportional to 5,174,665.20, 7,761,997.80 and 1,808,521.20

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Solution

The fourth proportional to 5,174,665.20, 7,761,997.80 and 1,808,521.20 is: 2,712,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,665.20 : 7,761,997.80 = 1,808,521.20 : x
  2. Step 2: Convert to fraction form
    5,174,665.20/7,761,997.80 = 1,808,521.20/x
  3. Step 3: Cross multiply
    5,174,665.20x = 7,761,997.80 × 1,808,521.20
  4. Step 4: Simplify right side
    5,174,665.20x = 14,037,737,575,653.36
  5. Step 5: Solve for x
    x = 14,037,737,575,653.36/5,174,665.20
  6. Step 6: Final answer
    x = 2,712,781.80

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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.