Home / 2,159,230-2,979,999.84-1,253,812

Finding the Fourth Proportional to 2,159,230, 2,979,999.84 and 1,253,812

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Solution

The fourth proportional to 2,159,230, 2,979,999.84 and 1,253,812 is: 1,730,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,230 : 2,979,999.84 = 1,253,812 : x
  2. Step 2: Convert to fraction form
    2,159,230/2,979,999.84 = 1,253,812/x
  3. Step 3: Cross multiply
    2,159,230x = 2,979,999.84 × 1,253,812
  4. Step 4: Simplify right side
    2,159,230x = 3,736,359,559,390.08
  5. Step 5: Solve for x
    x = 3,736,359,559,390.08/2,159,230
  6. Step 6: Final answer
    x = 1,730,412.95

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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.