Home / 6,128,055.30-8,456,326.60-3,680,769.50

Finding the Fourth Proportional to 6,128,055.30, 8,456,326.60 and 3,680,769.50

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Solution

The fourth proportional to 6,128,055.30, 8,456,326.60 and 3,680,769.50 is: 5,079,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,055.30 : 8,456,326.60 = 3,680,769.50 : x
  2. Step 2: Convert to fraction form
    6,128,055.30/8,456,326.60 = 3,680,769.50/x
  3. Step 3: Cross multiply
    6,128,055.30x = 8,456,326.60 × 3,680,769.50
  4. Step 4: Simplify right side
    6,128,055.30x = 31,125,789,031,318.70
  5. Step 5: Solve for x
    x = 31,125,789,031,318.70/6,128,055.30
  6. Step 6: Final answer
    x = 5,079,227.83

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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.