Home / 6,371,545.40-8,792,728.78-3,509,977.40

Finding the Fourth Proportional to 6,371,545.40, 8,792,728.78 and 3,509,977.40

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Solution

The fourth proportional to 6,371,545.40, 8,792,728.78 and 3,509,977.40 is: 4,843,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371,545.40 : 8,792,728.78 = 3,509,977.40 : x
  2. Step 2: Convert to fraction form
    6,371,545.40/8,792,728.78 = 3,509,977.40/x
  3. Step 3: Cross multiply
    6,371,545.40x = 8,792,728.78 × 3,509,977.40
  4. Step 4: Simplify right side
    6,371,545.40x = 30,862,279,302,129.57
  5. Step 5: Solve for x
    x = 30,862,279,302,129.57/6,371,545.40
  6. Step 6: Final answer
    x = 4,843,766.68

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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.