Home / 2,808,057.60-4,212,021.60-914,785.20

Finding the Fourth Proportional to 2,808,057.60, 4,212,021.60 and 914,785.20

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Solution

The fourth proportional to 2,808,057.60, 4,212,021.60 and 914,785.20 is: 1,372,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,057.60 : 4,212,021.60 = 914,785.20 : x
  2. Step 2: Convert to fraction form
    2,808,057.60/4,212,021.60 = 914,785.20/x
  3. Step 3: Cross multiply
    2,808,057.60x = 4,212,021.60 × 914,785.20
  4. Step 4: Simplify right side
    2,808,057.60x = 3,853,095,021,760.32
  5. Step 5: Solve for x
    x = 3,853,095,021,760.32/2,808,057.60
  6. Step 6: Final answer
    x = 1,372,156.69

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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.