Home / 2,118,643.24-3,179,364.54-996,799.72

Finding the Fourth Proportional to 2,118,643.24, 3,179,364.54 and 996,799.72

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Solution

The fourth proportional to 2,118,643.24, 3,179,364.54 and 996,799.72 is: 1,495,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,643.24 : 3,179,364.54 = 996,799.72 : x
  2. Step 2: Convert to fraction form
    2,118,643.24/3,179,364.54 = 996,799.72/x
  3. Step 3: Cross multiply
    2,118,643.24x = 3,179,364.54 × 996,799.72
  4. Step 4: Simplify right side
    2,118,643.24x = 3,169,189,667,353.11
  5. Step 5: Solve for x
    x = 3,169,189,667,353.11/2,118,643.24
  6. Step 6: Final answer
    x = 1,495,858.11

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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.