Home / 2,680,646.80-4,020,509.40-996,883.60

Finding the Fourth Proportional to 2,680,646.80, 4,020,509.40 and 996,883.60

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Solution

The fourth proportional to 2,680,646.80, 4,020,509.40 and 996,883.60 is: 1,495,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,646.80 : 4,020,509.40 = 996,883.60 : x
  2. Step 2: Convert to fraction form
    2,680,646.80/4,020,509.40 = 996,883.60/x
  3. Step 3: Cross multiply
    2,680,646.80x = 4,020,509.40 × 996,883.60
  4. Step 4: Simplify right side
    2,680,646.80x = 4,007,979,884,505.84
  5. Step 5: Solve for x
    x = 4,007,979,884,505.84/2,680,646.80
  6. Step 6: Final answer
    x = 1,495,154.04

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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.