Home / 2,680,638.80-4,020,497.40-996,875.60

Finding the Fourth Proportional to 2,680,638.80, 4,020,497.40 and 996,875.60

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Solution

The fourth proportional to 2,680,638.80, 4,020,497.40 and 996,875.60 is: 1,495,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,638.80 : 4,020,497.40 = 996,875.60 : x
  2. Step 2: Convert to fraction form
    2,680,638.80/4,020,497.40 = 996,875.60/x
  3. Step 3: Cross multiply
    2,680,638.80x = 4,020,497.40 × 996,875.60
  4. Step 4: Simplify right side
    2,680,638.80x = 4,007,935,757,923.44
  5. Step 5: Solve for x
    x = 4,007,935,757,923.44/2,680,638.80
  6. Step 6: Final answer
    x = 1,495,142.04

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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.