Home / 2,680,276.40-4,020,414.60-1,924,449.20

Finding the Fourth Proportional to 2,680,276.40, 4,020,414.60 and 1,924,449.20

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Solution

The fourth proportional to 2,680,276.40, 4,020,414.60 and 1,924,449.20 is: 2,886,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,276.40 : 4,020,414.60 = 1,924,449.20 : x
  2. Step 2: Convert to fraction form
    2,680,276.40/4,020,414.60 = 1,924,449.20/x
  3. Step 3: Cross multiply
    2,680,276.40x = 4,020,414.60 × 1,924,449.20
  4. Step 4: Simplify right side
    2,680,276.40x = 7,737,083,660,638.32
  5. Step 5: Solve for x
    x = 7,737,083,660,638.32/2,680,276.40
  6. Step 6: Final answer
    x = 2,886,673.80

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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.