Home / 2,077,924.76-2,868,013.56-1,218,761.80

Finding the Fourth Proportional to 2,077,924.76, 2,868,013.56 and 1,218,761.80

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Solution

The fourth proportional to 2,077,924.76, 2,868,013.56 and 1,218,761.80 is: 1,682,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,924.76 : 2,868,013.56 = 1,218,761.80 : x
  2. Step 2: Convert to fraction form
    2,077,924.76/2,868,013.56 = 1,218,761.80/x
  3. Step 3: Cross multiply
    2,077,924.76x = 2,868,013.56 × 1,218,761.80
  4. Step 4: Simplify right side
    2,077,924.76x = 3,495,425,368,810.01
  5. Step 5: Solve for x
    x = 3,495,425,368,810.01/2,077,924.76
  6. Step 6: Final answer
    x = 1,682,171.29

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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.