Home / 2,819,195.28-3,890,518.56-1,530,046.80

Finding the Fourth Proportional to 2,819,195.28, 3,890,518.56 and 1,530,046.80

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Solution

The fourth proportional to 2,819,195.28, 3,890,518.56 and 1,530,046.80 is: 2,111,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,195.28 : 3,890,518.56 = 1,530,046.80 : x
  2. Step 2: Convert to fraction form
    2,819,195.28/3,890,518.56 = 1,530,046.80/x
  3. Step 3: Cross multiply
    2,819,195.28x = 3,890,518.56 × 1,530,046.80
  4. Step 4: Simplify right side
    2,819,195.28x = 5,952,675,473,068.61
  5. Step 5: Solve for x
    x = 5,952,675,473,068.61/2,819,195.28
  6. Step 6: Final answer
    x = 2,111,480.36

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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.