Home / 2,831,393.20-4,246,895.40-912,276.40

Finding the Fourth Proportional to 2,831,393.20, 4,246,895.40 and 912,276.40

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Solution

The fourth proportional to 2,831,393.20, 4,246,895.40 and 912,276.40 is: 1,368,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,393.20 : 4,246,895.40 = 912,276.40 : x
  2. Step 2: Convert to fraction form
    2,831,393.20/4,246,895.40 = 912,276.40/x
  3. Step 3: Cross multiply
    2,831,393.20x = 4,246,895.40 × 912,276.40
  4. Step 4: Simplify right side
    2,831,393.20x = 3,874,342,446,688.56
  5. Step 5: Solve for x
    x = 3,874,342,446,688.56/2,831,393.20
  6. Step 6: Final answer
    x = 1,368,351.96

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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.