Home / 6,912,328.32-10,368,554.04-2,120,040

Finding the Fourth Proportional to 6,912,328.32, 10,368,554.04 and 2,120,040

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Solution

The fourth proportional to 6,912,328.32, 10,368,554.04 and 2,120,040 is: 3,180,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,328.32 : 10,368,554.04 = 2,120,040 : x
  2. Step 2: Convert to fraction form
    6,912,328.32/10,368,554.04 = 2,120,040/x
  3. Step 3: Cross multiply
    6,912,328.32x = 10,368,554.04 × 2,120,040
  4. Step 4: Simplify right side
    6,912,328.32x = 21,981,749,306,961.60
  5. Step 5: Solve for x
    x = 21,981,749,306,961.60/6,912,328.32
  6. Step 6: Final answer
    x = 3,180,078.88

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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.