Home / 6,438,102.30-8,885,353.59-3,861,200.70

Finding the Fourth Proportional to 6,438,102.30, 8,885,353.59 and 3,861,200.70

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Solution

The fourth proportional to 6,438,102.30, 8,885,353.59 and 3,861,200.70 is: 5,328,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,102.30 : 8,885,353.59 = 3,861,200.70 : x
  2. Step 2: Convert to fraction form
    6,438,102.30/8,885,353.59 = 3,861,200.70/x
  3. Step 3: Cross multiply
    6,438,102.30x = 8,885,353.59 × 3,861,200.70
  4. Step 4: Simplify right side
    6,438,102.30x = 34,308,133,501,455.52
  5. Step 5: Solve for x
    x = 34,308,133,501,455.52/6,438,102.30
  6. Step 6: Final answer
    x = 5,328,920.22

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1.5x scale

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.