Home / 2,892,353.10-4,338,529.65-2,145,857.10

Finding the Fourth Proportional to 2,892,353.10, 4,338,529.65 and 2,145,857.10

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Solution

The fourth proportional to 2,892,353.10, 4,338,529.65 and 2,145,857.10 is: 3,218,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,353.10 : 4,338,529.65 = 2,145,857.10 : x
  2. Step 2: Convert to fraction form
    2,892,353.10/4,338,529.65 = 2,145,857.10/x
  3. Step 3: Cross multiply
    2,892,353.10x = 4,338,529.65 × 2,145,857.10
  4. Step 4: Simplify right side
    2,892,353.10x = 9,309,864,653,013.02
  5. Step 5: Solve for x
    x = 9,309,864,653,013.02/2,892,353.10
  6. Step 6: Final answer
    x = 3,218,785.65

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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.