Home / 1,980,242.66-2,969,888.37-914,260.52

Finding the Fourth Proportional to 1,980,242.66, 2,969,888.37 and 914,260.52

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Solution

The fourth proportional to 1,980,242.66, 2,969,888.37 and 914,260.52 is: 1,371,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,242.66 : 2,969,888.37 = 914,260.52 : x
  2. Step 2: Convert to fraction form
    1,980,242.66/2,969,888.37 = 914,260.52/x
  3. Step 3: Cross multiply
    1,980,242.66x = 2,969,888.37 × 914,260.52
  4. Step 4: Simplify right side
    1,980,242.66x = 2,715,251,678,073.43
  5. Step 5: Solve for x
    x = 2,715,251,678,073.43/1,980,242.66
  6. Step 6: Final answer
    x = 1,371,171.19

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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.