Home / 2,547,538.87-3,515,631.55-1,385,991.73

Finding the Fourth Proportional to 2,547,538.87, 3,515,631.55 and 1,385,991.73

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Solution

The fourth proportional to 2,547,538.87, 3,515,631.55 and 1,385,991.73 is: 1,912,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,538.87 : 3,515,631.55 = 1,385,991.73 : x
  2. Step 2: Convert to fraction form
    2,547,538.87/3,515,631.55 = 1,385,991.73/x
  3. Step 3: Cross multiply
    2,547,538.87x = 3,515,631.55 × 1,385,991.73
  4. Step 4: Simplify right side
    2,547,538.87x = 4,872,636,262,895.24
  5. Step 5: Solve for x
    x = 4,872,636,262,895.24/2,547,538.87
  6. Step 6: Final answer
    x = 1,912,683.77

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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.