Home / 2,688,096.40-4,032,490.20-1,340,947.60

Finding the Fourth Proportional to 2,688,096.40, 4,032,490.20 and 1,340,947.60

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Solution

The fourth proportional to 2,688,096.40, 4,032,490.20 and 1,340,947.60 is: 2,011,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,096.40 : 4,032,490.20 = 1,340,947.60 : x
  2. Step 2: Convert to fraction form
    2,688,096.40/4,032,490.20 = 1,340,947.60/x
  3. Step 3: Cross multiply
    2,688,096.40x = 4,032,490.20 × 1,340,947.60
  4. Step 4: Simplify right side
    2,688,096.40x = 5,407,358,055,713.52
  5. Step 5: Solve for x
    x = 5,407,358,055,713.52/2,688,096.40
  6. Step 6: Final answer
    x = 2,011,593.80

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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.