Home / 2,655,617.40-3,985,394.40-1,947,029.40

Finding the Fourth Proportional to 2,655,617.40, 3,985,394.40 and 1,947,029.40

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Solution

The fourth proportional to 2,655,617.40, 3,985,394.40 and 1,947,029.40 is: 2,921,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,617.40 : 3,985,394.40 = 1,947,029.40 : x
  2. Step 2: Convert to fraction form
    2,655,617.40/3,985,394.40 = 1,947,029.40/x
  3. Step 3: Cross multiply
    2,655,617.40x = 3,985,394.40 × 1,947,029.40
  4. Step 4: Simplify right side
    2,655,617.40x = 7,759,680,067,395.36
  5. Step 5: Solve for x
    x = 7,759,680,067,395.36/2,655,617.40
  6. Step 6: Final answer
    x = 2,921,987.21

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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.