Home / 3,130,064.92-4,695,281.82-886,015

Finding the Fourth Proportional to 3,130,064.92, 4,695,281.82 and 886,015

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Solution

The fourth proportional to 3,130,064.92, 4,695,281.82 and 886,015 is: 1,329,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,064.92 : 4,695,281.82 = 886,015 : x
  2. Step 2: Convert to fraction form
    3,130,064.92/4,695,281.82 = 886,015/x
  3. Step 3: Cross multiply
    3,130,064.92x = 4,695,281.82 × 886,015
  4. Step 4: Simplify right side
    3,130,064.92x = 4,160,090,121,747.30
  5. Step 5: Solve for x
    x = 4,160,090,121,747.30/3,130,064.92
  6. Step 6: Final answer
    x = 1,329,074.71

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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.