Home / 2,312,585.04-3,191,287.30-1,280,137.87

Finding the Fourth Proportional to 2,312,585.04, 3,191,287.30 and 1,280,137.87

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Solution

The fourth proportional to 2,312,585.04, 3,191,287.30 and 1,280,137.87 is: 1,766,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,585.04 : 3,191,287.30 = 1,280,137.87 : x
  2. Step 2: Convert to fraction form
    2,312,585.04/3,191,287.30 = 1,280,137.87/x
  3. Step 3: Cross multiply
    2,312,585.04x = 3,191,287.30 × 1,280,137.87
  4. Step 4: Simplify right side
    2,312,585.04x = 4,085,287,726,780.05
  5. Step 5: Solve for x
    x = 4,085,287,726,780.05/2,312,585.04
  6. Step 6: Final answer
    x = 1,766,545.95

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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.