Home / 5,251,206.30-7,876,809.45-4,188,324.30

Finding the Fourth Proportional to 5,251,206.30, 7,876,809.45 and 4,188,324.30

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Solution

The fourth proportional to 5,251,206.30, 7,876,809.45 and 4,188,324.30 is: 6,282,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,206.30 : 7,876,809.45 = 4,188,324.30 : x
  2. Step 2: Convert to fraction form
    5,251,206.30/7,876,809.45 = 4,188,324.30/x
  3. Step 3: Cross multiply
    5,251,206.30x = 7,876,809.45 × 4,188,324.30
  4. Step 4: Simplify right side
    5,251,206.30x = 32,990,632,425,904.63
  5. Step 5: Solve for x
    x = 32,990,632,425,904.63/5,251,206.30
  6. Step 6: Final answer
    x = 6,282,486.45

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Double scale
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Similar ratio
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1.5x scale

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.