Home / 2,913,901.20-4,376,100.60-2,819,422.80

Finding the Fourth Proportional to 2,913,901.20, 4,376,100.60 and 2,819,422.80

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Solution

The fourth proportional to 2,913,901.20, 4,376,100.60 and 2,819,422.80 is: 4,234,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,901.20 : 4,376,100.60 = 2,819,422.80 : x
  2. Step 2: Convert to fraction form
    2,913,901.20/4,376,100.60 = 2,819,422.80/x
  3. Step 3: Cross multiply
    2,913,901.20x = 4,376,100.60 × 2,819,422.80
  4. Step 4: Simplify right side
    2,913,901.20x = 12,338,077,806,733.68
  5. Step 5: Solve for x
    x = 12,338,077,806,733.68/2,913,901.20
  6. Step 6: Final answer
    x = 4,234,212.82

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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.