Home / 2,182,840.38-3,012,124.32-1,215,949.93

Finding the Fourth Proportional to 2,182,840.38, 3,012,124.32 and 1,215,949.93

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Solution

The fourth proportional to 2,182,840.38, 3,012,124.32 and 1,215,949.93 is: 1,677,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,840.38 : 3,012,124.32 = 1,215,949.93 : x
  2. Step 2: Convert to fraction form
    2,182,840.38/3,012,124.32 = 1,215,949.93/x
  3. Step 3: Cross multiply
    2,182,840.38x = 3,012,124.32 × 1,215,949.93
  4. Step 4: Simplify right side
    2,182,840.38x = 3,662,592,348,524.99
  5. Step 5: Solve for x
    x = 3,662,592,348,524.99/2,182,840.38
  6. Step 6: Final answer
    x = 1,677,902.05

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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.