Home / 3,985,772.04-5,979,607.20-1,290,097.80

Finding the Fourth Proportional to 3,985,772.04, 5,979,607.20 and 1,290,097.80

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Solution

The fourth proportional to 3,985,772.04, 5,979,607.20 and 1,290,097.80 is: 1,935,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,772.04 : 5,979,607.20 = 1,290,097.80 : x
  2. Step 2: Convert to fraction form
    3,985,772.04/5,979,607.20 = 1,290,097.80/x
  3. Step 3: Cross multiply
    3,985,772.04x = 5,979,607.20 × 1,290,097.80
  4. Step 4: Simplify right side
    3,985,772.04x = 7,714,278,093,584.16
  5. Step 5: Solve for x
    x = 7,714,278,093,584.16/3,985,772.04
  6. Step 6: Final answer
    x = 1,935,453.91

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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.