Home / 2,688,273.20-4,032,409.80-2,394,340.40

Finding the Fourth Proportional to 2,688,273.20, 4,032,409.80 and 2,394,340.40

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Solution

The fourth proportional to 2,688,273.20, 4,032,409.80 and 2,394,340.40 is: 3,591,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,273.20 : 4,032,409.80 = 2,394,340.40 : x
  2. Step 2: Convert to fraction form
    2,688,273.20/4,032,409.80 = 2,394,340.40/x
  3. Step 3: Cross multiply
    2,688,273.20x = 4,032,409.80 × 2,394,340.40
  4. Step 4: Simplify right side
    2,688,273.20x = 9,654,961,693,495.92
  5. Step 5: Solve for x
    x = 9,654,961,693,495.92/2,688,273.20
  6. Step 6: Final answer
    x = 3,591,510.60

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Similar ratio
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1.5x scale

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.