Home / 3,557,375.11-4,909,176.62-1,925,781.28

Finding the Fourth Proportional to 3,557,375.11, 4,909,176.62 and 1,925,781.28

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Solution

The fourth proportional to 3,557,375.11, 4,909,176.62 and 1,925,781.28 is: 2,657,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,375.11 : 4,909,176.62 = 1,925,781.28 : x
  2. Step 2: Convert to fraction form
    3,557,375.11/4,909,176.62 = 1,925,781.28/x
  3. Step 3: Cross multiply
    3,557,375.11x = 4,909,176.62 × 1,925,781.28
  4. Step 4: Simplify right side
    3,557,375.11x = 9,454,000,420,329.51
  5. Step 5: Solve for x
    x = 9,454,000,420,329.51/3,557,375.11
  6. Step 6: Final answer
    x = 2,657,577.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.