Home / 3,678,227.31-5,518,135.11-1,119,642.33

Finding the Fourth Proportional to 3,678,227.31, 5,518,135.11 and 1,119,642.33

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Solution

The fourth proportional to 3,678,227.31, 5,518,135.11 and 1,119,642.33 is: 1,679,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,227.31 : 5,518,135.11 = 1,119,642.33 : x
  2. Step 2: Convert to fraction form
    3,678,227.31/5,518,135.11 = 1,119,642.33/x
  3. Step 3: Cross multiply
    3,678,227.31x = 5,518,135.11 × 1,119,642.33
  4. Step 4: Simplify right side
    3,678,227.31x = 6,178,337,651,815.21
  5. Step 5: Solve for x
    x = 6,178,337,651,815.21/3,678,227.31
  6. Step 6: Final answer
    x = 1,679,705.23

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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.