Home / 3,656,070.80-5,485,661.40-1,761,837.20

Finding the Fourth Proportional to 3,656,070.80, 5,485,661.40 and 1,761,837.20

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Solution

The fourth proportional to 3,656,070.80, 5,485,661.40 and 1,761,837.20 is: 2,643,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656,070.80 : 5,485,661.40 = 1,761,837.20 : x
  2. Step 2: Convert to fraction form
    3,656,070.80/5,485,661.40 = 1,761,837.20/x
  3. Step 3: Cross multiply
    3,656,070.80x = 5,485,661.40 × 1,761,837.20
  4. Step 4: Simplify right side
    3,656,070.80x = 9,664,842,321,124.08
  5. Step 5: Solve for x
    x = 9,664,842,321,124.08/3,656,070.80
  6. Step 6: Final answer
    x = 2,643,505.24

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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.