Home / 1,515,773.91-2,091,817.50-827,482.47

Finding the Fourth Proportional to 1,515,773.91, 2,091,817.50 and 827,482.47

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Solution

The fourth proportional to 1,515,773.91, 2,091,817.50 and 827,482.47 is: 1,141,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,773.91 : 2,091,817.50 = 827,482.47 : x
  2. Step 2: Convert to fraction form
    1,515,773.91/2,091,817.50 = 827,482.47/x
  3. Step 3: Cross multiply
    1,515,773.91x = 2,091,817.50 × 827,482.47
  4. Step 4: Simplify right side
    1,515,773.91x = 1,730,942,301,230.14
  5. Step 5: Solve for x
    x = 1,730,942,301,230.14/1,515,773.91
  6. Step 6: Final answer
    x = 1,141,952.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.