Home / 3,129,979.07-4,695,642.18-970,961.15

Finding the Fourth Proportional to 3,129,979.07, 4,695,642.18 and 970,961.15

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Solution

The fourth proportional to 3,129,979.07, 4,695,642.18 and 970,961.15 is: 1,456,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,979.07 : 4,695,642.18 = 970,961.15 : x
  2. Step 2: Convert to fraction form
    3,129,979.07/4,695,642.18 = 970,961.15/x
  3. Step 3: Cross multiply
    3,129,979.07x = 4,695,642.18 × 970,961.15
  4. Step 4: Simplify right side
    3,129,979.07x = 4,559,286,107,603.10
  5. Step 5: Solve for x
    x = 4,559,286,107,603.10/3,129,979.07
  6. Step 6: Final answer
    x = 1,456,650.67

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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.