Home / 2,077,912.76-2,867,996.96-1,218,749.80

Finding the Fourth Proportional to 2,077,912.76, 2,867,996.96 and 1,218,749.80

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Solution

The fourth proportional to 2,077,912.76, 2,867,996.96 and 1,218,749.80 is: 1,682,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,912.76 : 2,867,996.96 = 1,218,749.80 : x
  2. Step 2: Convert to fraction form
    2,077,912.76/2,867,996.96 = 1,218,749.80/x
  3. Step 3: Cross multiply
    2,077,912.76x = 2,867,996.96 × 1,218,749.80
  4. Step 4: Simplify right side
    2,077,912.76x = 3,495,370,721,400.61
  5. Step 5: Solve for x
    x = 3,495,370,721,400.61/2,077,912.76
  6. Step 6: Final answer
    x = 1,682,154.70

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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.