Home / 2,992,499.10-4,489,331.85-1,286,639.10

Finding the Fourth Proportional to 2,992,499.10, 4,489,331.85 and 1,286,639.10

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Solution

The fourth proportional to 2,992,499.10, 4,489,331.85 and 1,286,639.10 is: 1,930,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,499.10 : 4,489,331.85 = 1,286,639.10 : x
  2. Step 2: Convert to fraction form
    2,992,499.10/4,489,331.85 = 1,286,639.10/x
  3. Step 3: Cross multiply
    2,992,499.10x = 4,489,331.85 × 1,286,639.10
  4. Step 4: Simplify right side
    2,992,499.10x = 5,776,149,891,085.34
  5. Step 5: Solve for x
    x = 5,776,149,891,085.34/2,992,499.10
  6. Step 6: Final answer
    x = 1,930,209.40

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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.