Home / 4,920,668.30-7,381,002.45-4,479,769.10

Finding the Fourth Proportional to 4,920,668.30, 7,381,002.45 and 4,479,769.10

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Solution

The fourth proportional to 4,920,668.30, 7,381,002.45 and 4,479,769.10 is: 6,719,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,668.30 : 7,381,002.45 = 4,479,769.10 : x
  2. Step 2: Convert to fraction form
    4,920,668.30/7,381,002.45 = 4,479,769.10/x
  3. Step 3: Cross multiply
    4,920,668.30x = 7,381,002.45 × 4,479,769.10
  4. Step 4: Simplify right side
    4,920,668.30x = 33,065,186,702,534.29
  5. Step 5: Solve for x
    x = 33,065,186,702,534.29/4,920,668.30
  6. Step 6: Final answer
    x = 6,719,653.65

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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.