Home / 5,676,391.28-8,513,665.94-1,631,957.60

Finding the Fourth Proportional to 5,676,391.28, 8,513,665.94 and 1,631,957.60

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Solution

The fourth proportional to 5,676,391.28, 8,513,665.94 and 1,631,957.60 is: 2,447,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,391.28 : 8,513,665.94 = 1,631,957.60 : x
  2. Step 2: Convert to fraction form
    5,676,391.28/8,513,665.94 = 1,631,957.60/x
  3. Step 3: Cross multiply
    5,676,391.28x = 8,513,665.94 × 1,631,957.60
  4. Step 4: Simplify right side
    5,676,391.28x = 13,893,941,796,155.71
  5. Step 5: Solve for x
    x = 13,893,941,796,155.71/5,676,391.28
  6. Step 6: Final answer
    x = 2,447,671.61

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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.