Home / 2,252,974.65-3,109,091.70-1,220,502.11

Finding the Fourth Proportional to 2,252,974.65, 3,109,091.70 and 1,220,502.11

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Solution

The fourth proportional to 2,252,974.65, 3,109,091.70 and 1,220,502.11 is: 1,684,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252,974.65 : 3,109,091.70 = 1,220,502.11 : x
  2. Step 2: Convert to fraction form
    2,252,974.65/3,109,091.70 = 1,220,502.11/x
  3. Step 3: Cross multiply
    2,252,974.65x = 3,109,091.70 × 1,220,502.11
  4. Step 4: Simplify right side
    2,252,974.65x = 3,794,652,980,033.49
  5. Step 5: Solve for x
    x = 3,794,652,980,033.49/2,252,974.65
  6. Step 6: Final answer
    x = 1,684,285.70

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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.