Home / 2,862,155.70-4,293,641.79-969,438.42

Finding the Fourth Proportional to 2,862,155.70, 4,293,641.79 and 969,438.42

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Solution

The fourth proportional to 2,862,155.70, 4,293,641.79 and 969,438.42 is: 1,454,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,155.70 : 4,293,641.79 = 969,438.42 : x
  2. Step 2: Convert to fraction form
    2,862,155.70/4,293,641.79 = 969,438.42/x
  3. Step 3: Cross multiply
    2,862,155.70x = 4,293,641.79 × 969,438.42
  4. Step 4: Simplify right side
    2,862,155.70x = 4,162,421,312,943.57
  5. Step 5: Solve for x
    x = 4,162,421,312,943.57/2,862,155.70
  6. Step 6: Final answer
    x = 1,454,295.90

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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.