Home / 5,237,753.85-7,856,962.92-1,643,662.62

Finding the Fourth Proportional to 5,237,753.85, 7,856,962.92 and 1,643,662.62

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Solution

The fourth proportional to 5,237,753.85, 7,856,962.92 and 1,643,662.62 is: 2,465,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,753.85 : 7,856,962.92 = 1,643,662.62 : x
  2. Step 2: Convert to fraction form
    5,237,753.85/7,856,962.92 = 1,643,662.62/x
  3. Step 3: Cross multiply
    5,237,753.85x = 7,856,962.92 × 1,643,662.62
  4. Step 4: Simplify right side
    5,237,753.85x = 12,914,196,258,330.05
  5. Step 5: Solve for x
    x = 12,914,196,258,330.05/5,237,753.85
  6. Step 6: Final answer
    x = 2,465,598.16

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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.