Home / 2,680,076.80-4,013,116.80-1,728,294.40

Finding the Fourth Proportional to 2,680,076.80, 4,013,116.80 and 1,728,294.40

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Solution

The fourth proportional to 2,680,076.80, 4,013,116.80 and 1,728,294.40 is: 2,587,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,076.80 : 4,013,116.80 = 1,728,294.40 : x
  2. Step 2: Convert to fraction form
    2,680,076.80/4,013,116.80 = 1,728,294.40/x
  3. Step 3: Cross multiply
    2,680,076.80x = 4,013,116.80 × 1,728,294.40
  4. Step 4: Simplify right side
    2,680,076.80x = 6,935,847,291,985.92
  5. Step 5: Solve for x
    x = 6,935,847,291,985.92/2,680,076.80
  6. Step 6: Final answer
    x = 2,587,928.56

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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.