Home / 2,078,801.60-3,120,826.80-1,120,020.80

Finding the Fourth Proportional to 2,078,801.60, 3,120,826.80 and 1,120,020.80

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Solution

The fourth proportional to 2,078,801.60, 3,120,826.80 and 1,120,020.80 is: 1,681,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,801.60 : 3,120,826.80 = 1,120,020.80 : x
  2. Step 2: Convert to fraction form
    2,078,801.60/3,120,826.80 = 1,120,020.80/x
  3. Step 3: Cross multiply
    2,078,801.60x = 3,120,826.80 × 1,120,020.80
  4. Step 4: Simplify right side
    2,078,801.60x = 3,495,390,929,197.44
  5. Step 5: Solve for x
    x = 3,495,390,929,197.44/2,078,801.60
  6. Step 6: Final answer
    x = 1,681,445.18

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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.