Home / 2,890,144.83-3,984,618.90-2,486,581.65

Finding the Fourth Proportional to 2,890,144.83, 3,984,618.90 and 2,486,581.65

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Solution

The fourth proportional to 2,890,144.83, 3,984,618.90 and 2,486,581.65 is: 3,428,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,144.83 : 3,984,618.90 = 2,486,581.65 : x
  2. Step 2: Convert to fraction form
    2,890,144.83/3,984,618.90 = 2,486,581.65/x
  3. Step 3: Cross multiply
    2,890,144.83x = 3,984,618.90 × 2,486,581.65
  4. Step 4: Simplify right side
    2,890,144.83x = 9,908,080,238,983.18
  5. Step 5: Solve for x
    x = 9,908,080,238,983.18/2,890,144.83
  6. Step 6: Final answer
    x = 3,428,229.66

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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.