Home / 2,164,480.76-3,243,615.60-1,215,854.94

Finding the Fourth Proportional to 2,164,480.76, 3,243,615.60 and 1,215,854.94

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Solution

The fourth proportional to 2,164,480.76, 3,243,615.60 and 1,215,854.94 is: 1,822,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,480.76 : 3,243,615.60 = 1,215,854.94 : x
  2. Step 2: Convert to fraction form
    2,164,480.76/3,243,615.60 = 1,215,854.94/x
  3. Step 3: Cross multiply
    2,164,480.76x = 3,243,615.60 × 1,215,854.94
  4. Step 4: Simplify right side
    2,164,480.76x = 3,943,766,050,721.06
  5. Step 5: Solve for x
    x = 3,943,766,050,721.06/2,164,480.76
  6. Step 6: Final answer
    x = 1,822,037.93

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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.