Home / 6,421,036.64-8,861,116.92-3,520,420.52

Finding the Fourth Proportional to 6,421,036.64, 8,861,116.92 and 3,520,420.52

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Solution

The fourth proportional to 6,421,036.64, 8,861,116.92 and 3,520,420.52 is: 4,858,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,036.64 : 8,861,116.92 = 3,520,420.52 : x
  2. Step 2: Convert to fraction form
    6,421,036.64/8,861,116.92 = 3,520,420.52/x
  3. Step 3: Cross multiply
    6,421,036.64x = 8,861,116.92 × 3,520,420.52
  4. Step 4: Simplify right side
    6,421,036.64x = 31,194,857,835,287.20
  5. Step 5: Solve for x
    x = 31,194,857,835,287.20/6,421,036.64
  6. Step 6: Final answer
    x = 4,858,227.66

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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.