Home / 3,815,807.20-5,264,664.96-2,287,356.64

Finding the Fourth Proportional to 3,815,807.20, 5,264,664.96 and 2,287,356.64

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Solution

The fourth proportional to 3,815,807.20, 5,264,664.96 and 2,287,356.64 is: 3,155,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,807.20 : 5,264,664.96 = 2,287,356.64 : x
  2. Step 2: Convert to fraction form
    3,815,807.20/5,264,664.96 = 2,287,356.64/x
  3. Step 3: Cross multiply
    3,815,807.20x = 5,264,664.96 × 2,287,356.64
  4. Step 4: Simplify right side
    3,815,807.20x = 12,042,166,353,631.34
  5. Step 5: Solve for x
    x = 12,042,166,353,631.34/3,815,807.20
  6. Step 6: Final answer
    x = 3,155,863.42

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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.