Home / 5,200,358.40-7,797,427.20-2,680,934.40

Finding the Fourth Proportional to 5,200,358.40, 7,797,427.20 and 2,680,934.40

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Solution

The fourth proportional to 5,200,358.40, 7,797,427.20 and 2,680,934.40 is: 4,019,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,358.40 : 7,797,427.20 = 2,680,934.40 : x
  2. Step 2: Convert to fraction form
    5,200,358.40/7,797,427.20 = 2,680,934.40/x
  3. Step 3: Cross multiply
    5,200,358.40x = 7,797,427.20 × 2,680,934.40
  4. Step 4: Simplify right side
    5,200,358.40x = 20,904,390,811,975.68
  5. Step 5: Solve for x
    x = 20,904,390,811,975.68/5,200,358.40
  6. Step 6: Final answer
    x = 4,019,798.10

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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.