Home / 2,033,980.13-2,806,688.15-1,218,162.92

Finding the Fourth Proportional to 2,033,980.13, 2,806,688.15 and 1,218,162.92

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Solution

The fourth proportional to 2,033,980.13, 2,806,688.15 and 1,218,162.92 is: 1,680,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033,980.13 : 2,806,688.15 = 1,218,162.92 : x
  2. Step 2: Convert to fraction form
    2,033,980.13/2,806,688.15 = 1,218,162.92/x
  3. Step 3: Cross multiply
    2,033,980.13x = 2,806,688.15 × 1,218,162.92
  4. Step 4: Simplify right side
    2,033,980.13x = 3,419,003,412,209.14
  5. Step 5: Solve for x
    x = 3,419,003,412,209.14/2,033,980.13
  6. Step 6: Final answer
    x = 1,680,942.39

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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.