Home / 5,200,328.40-7,797,382.20-2,680,904.40

Finding the Fourth Proportional to 5,200,328.40, 7,797,382.20 and 2,680,904.40

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Solution

The fourth proportional to 5,200,328.40, 7,797,382.20 and 2,680,904.40 is: 4,019,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,328.40 : 7,797,382.20 = 2,680,904.40 : x
  2. Step 2: Convert to fraction form
    5,200,328.40/7,797,382.20 = 2,680,904.40/x
  3. Step 3: Cross multiply
    5,200,328.40x = 7,797,382.20 × 2,680,904.40
  4. Step 4: Simplify right side
    5,200,328.40x = 20,904,036,248,461.68
  5. Step 5: Solve for x
    x = 20,904,036,248,461.68/5,200,328.40
  6. Step 6: Final answer
    x = 4,019,753.11

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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.