Home / 4,918,672.89-7,378,084.44-2,221,117.74

Finding the Fourth Proportional to 4,918,672.89, 7,378,084.44 and 2,221,117.74

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Solution

The fourth proportional to 4,918,672.89, 7,378,084.44 and 2,221,117.74 is: 3,331,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,672.89 : 7,378,084.44 = 2,221,117.74 : x
  2. Step 2: Convert to fraction form
    4,918,672.89/7,378,084.44 = 2,221,117.74/x
  3. Step 3: Cross multiply
    4,918,672.89x = 7,378,084.44 × 2,221,117.74
  4. Step 4: Simplify right side
    4,918,672.89x = 16,387,594,236,901.97
  5. Step 5: Solve for x
    x = 16,387,594,236,901.97/4,918,672.89
  6. Step 6: Final answer
    x = 3,331,710.53

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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.