Home / 2,915,073.15-4,022,618.52-1,608,340.65

Finding the Fourth Proportional to 2,915,073.15, 4,022,618.52 and 1,608,340.65

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Solution

The fourth proportional to 2,915,073.15, 4,022,618.52 and 1,608,340.65 is: 2,219,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,073.15 : 4,022,618.52 = 1,608,340.65 : x
  2. Step 2: Convert to fraction form
    2,915,073.15/4,022,618.52 = 1,608,340.65/x
  3. Step 3: Cross multiply
    2,915,073.15x = 4,022,618.52 × 1,608,340.65
  4. Step 4: Simplify right side
    2,915,073.15x = 6,469,740,885,158.84
  5. Step 5: Solve for x
    x = 6,469,740,885,158.84/2,915,073.15
  6. Step 6: Final answer
    x = 2,219,409.45

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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.