Home / 2,156,803.10-3,235,204.65-1,659,139.10

Finding the Fourth Proportional to 2,156,803.10, 3,235,204.65 and 1,659,139.10

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Solution

The fourth proportional to 2,156,803.10, 3,235,204.65 and 1,659,139.10 is: 2,488,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,803.10 : 3,235,204.65 = 1,659,139.10 : x
  2. Step 2: Convert to fraction form
    2,156,803.10/3,235,204.65 = 1,659,139.10/x
  3. Step 3: Cross multiply
    2,156,803.10x = 3,235,204.65 × 1,659,139.10
  4. Step 4: Simplify right side
    2,156,803.10x = 5,367,654,531,316.82
  5. Step 5: Solve for x
    x = 5,367,654,531,316.82/2,156,803.10
  6. Step 6: Final answer
    x = 2,488,708.65

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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.