Home / 1,980,258.47-2,969,912.10-914,276.33

Finding the Fourth Proportional to 1,980,258.47, 2,969,912.10 and 914,276.33

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Solution

The fourth proportional to 1,980,258.47, 2,969,912.10 and 914,276.33 is: 1,371,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,258.47 : 2,969,912.10 = 914,276.33 : x
  2. Step 2: Convert to fraction form
    1,980,258.47/2,969,912.10 = 914,276.33/x
  3. Step 3: Cross multiply
    1,980,258.47x = 2,969,912.10 × 914,276.33
  4. Step 4: Simplify right side
    1,980,258.47x = 2,715,320,335,210.59
  5. Step 5: Solve for x
    x = 2,715,320,335,210.59/1,980,258.47
  6. Step 6: Final answer
    x = 1,371,194.91

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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.