Home / 2,660,230.30-3,990,928.65-862,807.90

Finding the Fourth Proportional to 2,660,230.30, 3,990,928.65 and 862,807.90

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Solution

The fourth proportional to 2,660,230.30, 3,990,928.65 and 862,807.90 is: 1,294,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,230.30 : 3,990,928.65 = 862,807.90 : x
  2. Step 2: Convert to fraction form
    2,660,230.30/3,990,928.65 = 862,807.90/x
  3. Step 3: Cross multiply
    2,660,230.30x = 3,990,928.65 × 862,807.90
  4. Step 4: Simplify right side
    2,660,230.30x = 3,443,404,767,556.34
  5. Step 5: Solve for x
    x = 3,443,404,767,556.34/2,660,230.30
  6. Step 6: Final answer
    x = 1,294,401.00

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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.