Home / 2,680,081.80-4,013,124.30-1,728,299.40

Finding the Fourth Proportional to 2,680,081.80, 4,013,124.30 and 1,728,299.40

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Solution

The fourth proportional to 2,680,081.80, 4,013,124.30 and 1,728,299.40 is: 2,587,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,081.80 : 4,013,124.30 = 1,728,299.40 : x
  2. Step 2: Convert to fraction form
    2,680,081.80/4,013,124.30 = 1,728,299.40/x
  3. Step 3: Cross multiply
    2,680,081.80x = 4,013,124.30 × 1,728,299.40
  4. Step 4: Simplify right side
    2,680,081.80x = 6,935,880,319,815.42
  5. Step 5: Solve for x
    x = 6,935,880,319,815.42/2,680,081.80
  6. Step 6: Final answer
    x = 2,587,936.05

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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.