Home / 3,321,378.80-4,982,068.20-1,805,787.80

Finding the Fourth Proportional to 3,321,378.80, 4,982,068.20 and 1,805,787.80

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Solution

The fourth proportional to 3,321,378.80, 4,982,068.20 and 1,805,787.80 is: 2,708,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,378.80 : 4,982,068.20 = 1,805,787.80 : x
  2. Step 2: Convert to fraction form
    3,321,378.80/4,982,068.20 = 1,805,787.80/x
  3. Step 3: Cross multiply
    3,321,378.80x = 4,982,068.20 × 1,805,787.80
  4. Step 4: Simplify right side
    3,321,378.80x = 8,996,557,974,327.96
  5. Step 5: Solve for x
    x = 8,996,557,974,327.96/3,321,378.80
  6. Step 6: Final answer
    x = 2,708,681.70

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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.