Home / 3,138,060.48-4,707,082.08-863,416.32

Finding the Fourth Proportional to 3,138,060.48, 4,707,082.08 and 863,416.32

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Solution

The fourth proportional to 3,138,060.48, 4,707,082.08 and 863,416.32 is: 1,295,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,060.48 : 4,707,082.08 = 863,416.32 : x
  2. Step 2: Convert to fraction form
    3,138,060.48/4,707,082.08 = 863,416.32/x
  3. Step 3: Cross multiply
    3,138,060.48x = 4,707,082.08 × 863,416.32
  4. Step 4: Simplify right side
    3,138,060.48x = 4,064,171,487,451.55
  5. Step 5: Solve for x
    x = 4,064,171,487,451.55/3,138,060.48
  6. Step 6: Final answer
    x = 1,295,122.10

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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.