Home / 1,815,109.28-2,724,347.96-917,181.56

Finding the Fourth Proportional to 1,815,109.28, 2,724,347.96 and 917,181.56

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Solution

The fourth proportional to 1,815,109.28, 2,724,347.96 and 917,181.56 is: 1,376,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,109.28 : 2,724,347.96 = 917,181.56 : x
  2. Step 2: Convert to fraction form
    1,815,109.28/2,724,347.96 = 917,181.56/x
  3. Step 3: Cross multiply
    1,815,109.28x = 2,724,347.96 × 917,181.56
  4. Step 4: Simplify right side
    1,815,109.28x = 2,498,721,711,935.62
  5. Step 5: Solve for x
    x = 2,498,721,711,935.62/1,815,109.28
  6. Step 6: Final answer
    x = 1,376,623.29

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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.