Home / 3,557,686.80-5,340,029.40-1,762,597.20

Finding the Fourth Proportional to 3,557,686.80, 5,340,029.40 and 1,762,597.20

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Solution

The fourth proportional to 3,557,686.80, 5,340,029.40 and 1,762,597.20 is: 2,645,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,686.80 : 5,340,029.40 = 1,762,597.20 : x
  2. Step 2: Convert to fraction form
    3,557,686.80/5,340,029.40 = 1,762,597.20/x
  3. Step 3: Cross multiply
    3,557,686.80x = 5,340,029.40 × 1,762,597.20
  4. Step 4: Simplify right side
    3,557,686.80x = 9,412,320,868,357.68
  5. Step 5: Solve for x
    x = 9,412,320,868,357.68/3,557,686.80
  6. Step 6: Final answer
    x = 2,645,629.42

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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.