Home / 1,914,120.28-2,872,506.46-761,248.70

Finding the Fourth Proportional to 1,914,120.28, 2,872,506.46 and 761,248.70

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Solution

The fourth proportional to 1,914,120.28, 2,872,506.46 and 761,248.70 is: 1,142,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,120.28 : 2,872,506.46 = 761,248.70 : x
  2. Step 2: Convert to fraction form
    1,914,120.28/2,872,506.46 = 761,248.70/x
  3. Step 3: Cross multiply
    1,914,120.28x = 2,872,506.46 × 761,248.70
  4. Step 4: Simplify right side
    1,914,120.28x = 2,186,691,792,150.95
  5. Step 5: Solve for x
    x = 2,186,691,792,150.95/1,914,120.28
  6. Step 6: Final answer
    x = 1,142,400.41

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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.