Home / 2,112,446.82-2,915,125.29-1,206,970.50

Finding the Fourth Proportional to 2,112,446.82, 2,915,125.29 and 1,206,970.50

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Solution

The fourth proportional to 2,112,446.82, 2,915,125.29 and 1,206,970.50 is: 1,665,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,446.82 : 2,915,125.29 = 1,206,970.50 : x
  2. Step 2: Convert to fraction form
    2,112,446.82/2,915,125.29 = 1,206,970.50/x
  3. Step 3: Cross multiply
    2,112,446.82x = 2,915,125.29 × 1,206,970.50
  4. Step 4: Simplify right side
    2,112,446.82x = 3,518,470,228,833.95
  5. Step 5: Solve for x
    x = 3,518,470,228,833.95/2,112,446.82
  6. Step 6: Final answer
    x = 1,665,589.97

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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.