Home / 3,557,680.80-5,340,020.40-1,762,591.20

Finding the Fourth Proportional to 3,557,680.80, 5,340,020.40 and 1,762,591.20

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Solution

The fourth proportional to 3,557,680.80, 5,340,020.40 and 1,762,591.20 is: 2,645,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,680.80 : 5,340,020.40 = 1,762,591.20 : x
  2. Step 2: Convert to fraction form
    3,557,680.80/5,340,020.40 = 1,762,591.20/x
  3. Step 3: Cross multiply
    3,557,680.80x = 5,340,020.40 × 1,762,591.20
  4. Step 4: Simplify right side
    3,557,680.80x = 9,412,272,964,860.48
  5. Step 5: Solve for x
    x = 9,412,272,964,860.48/3,557,680.80
  6. Step 6: Final answer
    x = 2,645,620.42

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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.