Home / 2,915,704.47-4,023,660.78-1,626,543.84

Finding the Fourth Proportional to 2,915,704.47, 4,023,660.78 and 1,626,543.84

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Solution

The fourth proportional to 2,915,704.47, 4,023,660.78 and 1,626,543.84 is: 2,244,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,704.47 : 4,023,660.78 = 1,626,543.84 : x
  2. Step 2: Convert to fraction form
    2,915,704.47/4,023,660.78 = 1,626,543.84/x
  3. Step 3: Cross multiply
    2,915,704.47x = 4,023,660.78 × 1,626,543.84
  4. Step 4: Simplify right side
    2,915,704.47x = 6,544,660,655,958.60
  5. Step 5: Solve for x
    x = 6,544,660,655,958.60/2,915,704.47
  6. Step 6: Final answer
    x = 2,244,624.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.