Home / 3,124,410.40-4,675,729.20-1,863,143.20

Finding the Fourth Proportional to 3,124,410.40, 4,675,729.20 and 1,863,143.20

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Solution

The fourth proportional to 3,124,410.40, 4,675,729.20 and 1,863,143.20 is: 2,788,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,410.40 : 4,675,729.20 = 1,863,143.20 : x
  2. Step 2: Convert to fraction form
    3,124,410.40/4,675,729.20 = 1,863,143.20/x
  3. Step 3: Cross multiply
    3,124,410.40x = 4,675,729.20 × 1,863,143.20
  4. Step 4: Simplify right side
    3,124,410.40x = 8,711,553,064,021.44
  5. Step 5: Solve for x
    x = 8,711,553,064,021.44/3,124,410.40
  6. Step 6: Final answer
    x = 2,788,223.04

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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.