Home / 6,240,902.70-9,361,354.05-5,177,145.90

Finding the Fourth Proportional to 6,240,902.70, 9,361,354.05 and 5,177,145.90

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Solution

The fourth proportional to 6,240,902.70, 9,361,354.05 and 5,177,145.90 is: 7,765,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,902.70 : 9,361,354.05 = 5,177,145.90 : x
  2. Step 2: Convert to fraction form
    6,240,902.70/9,361,354.05 = 5,177,145.90/x
  3. Step 3: Cross multiply
    6,240,902.70x = 9,361,354.05 × 5,177,145.90
  4. Step 4: Simplify right side
    6,240,902.70x = 48,465,095,738,405.91
  5. Step 5: Solve for x
    x = 48,465,095,738,405.91/6,240,902.70
  6. Step 6: Final answer
    x = 7,765,718.85

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Double scale
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Similar ratio
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1.5x scale

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.