Home / 1,635,479.10-2,453,218.65-1,561,995.90

Finding the Fourth Proportional to 1,635,479.10, 2,453,218.65 and 1,561,995.90

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Solution

The fourth proportional to 1,635,479.10, 2,453,218.65 and 1,561,995.90 is: 2,342,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,479.10 : 2,453,218.65 = 1,561,995.90 : x
  2. Step 2: Convert to fraction form
    1,635,479.10/2,453,218.65 = 1,561,995.90/x
  3. Step 3: Cross multiply
    1,635,479.10x = 2,453,218.65 × 1,561,995.90
  4. Step 4: Simplify right side
    1,635,479.10x = 3,831,917,473,103.53
  5. Step 5: Solve for x
    x = 3,831,917,473,103.53/1,635,479.10
  6. Step 6: Final answer
    x = 2,342,993.85

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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.