Home / 3,678,745.13-5,518,948.10-1,120,188.86

Finding the Fourth Proportional to 3,678,745.13, 5,518,948.10 and 1,120,188.86

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Solution

The fourth proportional to 3,678,745.13, 5,518,948.10 and 1,120,188.86 is: 1,680,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,745.13 : 5,518,948.10 = 1,120,188.86 : x
  2. Step 2: Convert to fraction form
    3,678,745.13/5,518,948.10 = 1,120,188.86/x
  3. Step 3: Cross multiply
    3,678,745.13x = 5,518,948.10 × 1,120,188.86
  4. Step 4: Simplify right side
    3,678,745.13x = 6,182,264,180,538.17
  5. Step 5: Solve for x
    x = 6,182,264,180,538.17/3,678,745.13
  6. Step 6: Final answer
    x = 1,680,536.15

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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.