Home / 6,868,361.20-10,302,541.80-2,079,414.40

Finding the Fourth Proportional to 6,868,361.20, 10,302,541.80 and 2,079,414.40

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Solution

The fourth proportional to 6,868,361.20, 10,302,541.80 and 2,079,414.40 is: 3,119,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,361.20 : 10,302,541.80 = 2,079,414.40 : x
  2. Step 2: Convert to fraction form
    6,868,361.20/10,302,541.80 = 2,079,414.40/x
  3. Step 3: Cross multiply
    6,868,361.20x = 10,302,541.80 × 2,079,414.40
  4. Step 4: Simplify right side
    6,868,361.20x = 21,423,253,775,521.92
  5. Step 5: Solve for x
    x = 21,423,253,775,521.92/6,868,361.20
  6. Step 6: Final answer
    x = 3,119,121.60

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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.