Home / 2,680,619.80-4,020,468.90-996,856.60

Finding the Fourth Proportional to 2,680,619.80, 4,020,468.90 and 996,856.60

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Solution

The fourth proportional to 2,680,619.80, 4,020,468.90 and 996,856.60 is: 1,495,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,619.80 : 4,020,468.90 = 996,856.60 : x
  2. Step 2: Convert to fraction form
    2,680,619.80/4,020,468.90 = 996,856.60/x
  3. Step 3: Cross multiply
    2,680,619.80x = 4,020,468.90 × 996,856.60
  4. Step 4: Simplify right side
    2,680,619.80x = 4,007,830,958,059.74
  5. Step 5: Solve for x
    x = 4,007,830,958,059.74/2,680,619.80
  6. Step 6: Final answer
    x = 1,495,113.54

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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.