Home / 2,660,038.22-3,990,618.41-862,782.11

Finding the Fourth Proportional to 2,660,038.22, 3,990,618.41 and 862,782.11

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Solution

The fourth proportional to 2,660,038.22, 3,990,618.41 and 862,782.11 is: 1,294,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,038.22 : 3,990,618.41 = 862,782.11 : x
  2. Step 2: Convert to fraction form
    2,660,038.22/3,990,618.41 = 862,782.11/x
  3. Step 3: Cross multiply
    2,660,038.22x = 3,990,618.41 × 862,782.11
  4. Step 4: Simplify right side
    2,660,038.22x = 3,443,034,167,670.73
  5. Step 5: Solve for x
    x = 3,443,034,167,670.73/2,660,038.22
  6. Step 6: Final answer
    x = 1,294,355.15

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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.