Home / 2,915,204.70-4,022,955.79-1,608,468.78

Finding the Fourth Proportional to 2,915,204.70, 4,022,955.79 and 1,608,468.78

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Solution

The fourth proportional to 2,915,204.70, 4,022,955.79 and 1,608,468.78 is: 2,219,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,204.70 : 4,022,955.79 = 1,608,468.78 : x
  2. Step 2: Convert to fraction form
    2,915,204.70/4,022,955.79 = 1,608,468.78/x
  3. Step 3: Cross multiply
    2,915,204.70x = 4,022,955.79 × 1,608,468.78
  4. Step 4: Simplify right side
    2,915,204.70x = 6,470,798,791,535.24
  5. Step 5: Solve for x
    x = 6,470,798,791,535.24/2,915,204.70
  6. Step 6: Final answer
    x = 2,219,672.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.