Home / 4,920,066.91-7,379,837.92-1,325,776.15

Finding the Fourth Proportional to 4,920,066.91, 7,379,837.92 and 1,325,776.15

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Solution

The fourth proportional to 4,920,066.91, 7,379,837.92 and 1,325,776.15 is: 1,988,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,066.91 : 7,379,837.92 = 1,325,776.15 : x
  2. Step 2: Convert to fraction form
    4,920,066.91/7,379,837.92 = 1,325,776.15/x
  3. Step 3: Cross multiply
    4,920,066.91x = 7,379,837.92 × 1,325,776.15
  4. Step 4: Simplify right side
    4,920,066.91x = 9,784,013,105,201.61
  5. Step 5: Solve for x
    x = 9,784,013,105,201.61/4,920,066.91
  6. Step 6: Final answer
    x = 1,988,593.51

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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.