Home / 2,080,012.60-2,870,253.70-1,149,681.12

Finding the Fourth Proportional to 2,080,012.60, 2,870,253.70 and 1,149,681.12

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Solution

The fourth proportional to 2,080,012.60, 2,870,253.70 and 1,149,681.12 is: 1,586,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,012.60 : 2,870,253.70 = 1,149,681.12 : x
  2. Step 2: Convert to fraction form
    2,080,012.60/2,870,253.70 = 1,149,681.12/x
  3. Step 3: Cross multiply
    2,080,012.60x = 2,870,253.70 × 1,149,681.12
  4. Step 4: Simplify right side
    2,080,012.60x = 3,299,876,488,500.14
  5. Step 5: Solve for x
    x = 3,299,876,488,500.14/2,080,012.60
  6. Step 6: Final answer
    x = 1,586,469.47

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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.