Home / 3,920,932.80-5,881,399.20-1,557,028.80

Finding the Fourth Proportional to 3,920,932.80, 5,881,399.20 and 1,557,028.80

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Solution

The fourth proportional to 3,920,932.80, 5,881,399.20 and 1,557,028.80 is: 2,335,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,932.80 : 5,881,399.20 = 1,557,028.80 : x
  2. Step 2: Convert to fraction form
    3,920,932.80/5,881,399.20 = 1,557,028.80/x
  3. Step 3: Cross multiply
    3,920,932.80x = 5,881,399.20 × 1,557,028.80
  4. Step 4: Simplify right side
    3,920,932.80x = 9,157,507,938,696.96
  5. Step 5: Solve for x
    x = 9,157,507,938,696.96/3,920,932.80
  6. Step 6: Final answer
    x = 2,335,543.20

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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.