Home / 6,870,126.19-9,480,103.09-3,969,454.78

Finding the Fourth Proportional to 6,870,126.19, 9,480,103.09 and 3,969,454.78

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Solution

The fourth proportional to 6,870,126.19, 9,480,103.09 and 3,969,454.78 is: 5,477,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,126.19 : 9,480,103.09 = 3,969,454.78 : x
  2. Step 2: Convert to fraction form
    6,870,126.19/9,480,103.09 = 3,969,454.78/x
  3. Step 3: Cross multiply
    6,870,126.19x = 9,480,103.09 × 3,969,454.78
  4. Step 4: Simplify right side
    6,870,126.19x = 37,630,840,501,377.73
  5. Step 5: Solve for x
    x = 37,630,840,501,377.73/6,870,126.19
  6. Step 6: Final answer
    x = 5,477,459.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.