Home / 2,660,186.61-3,990,840.33-862,929.75

Finding the Fourth Proportional to 2,660,186.61, 3,990,840.33 and 862,929.75

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Solution

The fourth proportional to 2,660,186.61, 3,990,840.33 and 862,929.75 is: 1,294,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,186.61 : 3,990,840.33 = 862,929.75 : x
  2. Step 2: Convert to fraction form
    2,660,186.61/3,990,840.33 = 862,929.75/x
  3. Step 3: Cross multiply
    2,660,186.61x = 3,990,840.33 × 862,929.75
  4. Step 4: Simplify right side
    2,660,186.61x = 3,443,814,866,458.46
  5. Step 5: Solve for x
    x = 3,443,814,866,458.46/2,660,186.61
  6. Step 6: Final answer
    x = 1,294,576.42

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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.