Home / 4,090,700.76-5,645,359.26-2,279,877.72

Finding the Fourth Proportional to 4,090,700.76, 5,645,359.26 and 2,279,877.72

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Solution

The fourth proportional to 4,090,700.76, 5,645,359.26 and 2,279,877.72 is: 3,146,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,700.76 : 5,645,359.26 = 2,279,877.72 : x
  2. Step 2: Convert to fraction form
    4,090,700.76/5,645,359.26 = 2,279,877.72/x
  3. Step 3: Cross multiply
    4,090,700.76x = 5,645,359.26 × 2,279,877.72
  4. Step 4: Simplify right side
    4,090,700.76x = 12,870,728,798,269.69
  5. Step 5: Solve for x
    x = 12,870,728,798,269.69/4,090,700.76
  6. Step 6: Final answer
    x = 3,146,338.38

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Double scale
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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.