Home / 2,787,373.80-4,176,821.34-1,270,172.52

Finding the Fourth Proportional to 2,787,373.80, 4,176,821.34 and 1,270,172.52

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Solution

The fourth proportional to 2,787,373.80, 4,176,821.34 and 1,270,172.52 is: 1,903,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,373.80 : 4,176,821.34 = 1,270,172.52 : x
  2. Step 2: Convert to fraction form
    2,787,373.80/4,176,821.34 = 1,270,172.52/x
  3. Step 3: Cross multiply
    2,787,373.80x = 4,176,821.34 × 1,270,172.52
  4. Step 4: Simplify right side
    2,787,373.80x = 5,305,283,687,017.58
  5. Step 5: Solve for x
    x = 5,305,283,687,017.58/2,787,373.80
  6. Step 6: Final answer
    x = 1,903,326.95

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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.