Home / 2,118,995.91-3,175,367.40-1,253,535.75

Finding the Fourth Proportional to 2,118,995.91, 3,175,367.40 and 1,253,535.75

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Solution

The fourth proportional to 2,118,995.91, 3,175,367.40 and 1,253,535.75 is: 1,878,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,995.91 : 3,175,367.40 = 1,253,535.75 : x
  2. Step 2: Convert to fraction form
    2,118,995.91/3,175,367.40 = 1,253,535.75/x
  3. Step 3: Cross multiply
    2,118,995.91x = 3,175,367.40 × 1,253,535.75
  4. Step 4: Simplify right side
    2,118,995.91x = 3,980,436,555,284.55
  5. Step 5: Solve for x
    x = 3,980,436,555,284.55/2,118,995.91
  6. Step 6: Final answer
    x = 1,878,454.10

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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.