Home / 2,660,055.82-3,990,644.43-862,799.44

Finding the Fourth Proportional to 2,660,055.82, 3,990,644.43 and 862,799.44

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Solution

The fourth proportional to 2,660,055.82, 3,990,644.43 and 862,799.44 is: 1,294,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,055.82 : 3,990,644.43 = 862,799.44 : x
  2. Step 2: Convert to fraction form
    2,660,055.82/3,990,644.43 = 862,799.44/x
  3. Step 3: Cross multiply
    2,660,055.82x = 3,990,644.43 × 862,799.44
  4. Step 4: Simplify right side
    2,660,055.82x = 3,443,125,779,443.12
  5. Step 5: Solve for x
    x = 3,443,125,779,443.12/2,660,055.82
  6. Step 6: Final answer
    x = 1,294,381.03

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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.