Home / 2,311,849.32-3,190,223.72-1,293,057.24

Finding the Fourth Proportional to 2,311,849.32, 3,190,223.72 and 1,293,057.24

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Solution

The fourth proportional to 2,311,849.32, 3,190,223.72 and 1,293,057.24 is: 1,784,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,849.32 : 3,190,223.72 = 1,293,057.24 : x
  2. Step 2: Convert to fraction form
    2,311,849.32/3,190,223.72 = 1,293,057.24/x
  3. Step 3: Cross multiply
    2,311,849.32x = 3,190,223.72 × 1,293,057.24
  4. Step 4: Simplify right side
    2,311,849.32x = 4,125,141,878,365.73
  5. Step 5: Solve for x
    x = 4,125,141,878,365.73/2,311,849.32
  6. Step 6: Final answer
    x = 1,784,347.21

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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.