Home / 3,138,040.40-4,707,060.60-863,560.40

Finding the Fourth Proportional to 3,138,040.40, 4,707,060.60 and 863,560.40

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Solution

The fourth proportional to 3,138,040.40, 4,707,060.60 and 863,560.40 is: 1,295,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,040.40 : 4,707,060.60 = 863,560.40 : x
  2. Step 2: Convert to fraction form
    3,138,040.40/4,707,060.60 = 863,560.40/x
  3. Step 3: Cross multiply
    3,138,040.40x = 4,707,060.60 × 863,560.40
  4. Step 4: Simplify right side
    3,138,040.40x = 4,064,831,134,560.24
  5. Step 5: Solve for x
    x = 4,064,831,134,560.24/3,138,040.40
  6. Step 6: Final answer
    x = 1,295,340.60

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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.