Home / 2,844,815.65-3,929,079.08-1,912,902.14

Finding the Fourth Proportional to 2,844,815.65, 3,929,079.08 and 1,912,902.14

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Solution

The fourth proportional to 2,844,815.65, 3,929,079.08 and 1,912,902.14 is: 2,641,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844,815.65 : 3,929,079.08 = 1,912,902.14 : x
  2. Step 2: Convert to fraction form
    2,844,815.65/3,929,079.08 = 1,912,902.14/x
  3. Step 3: Cross multiply
    2,844,815.65x = 3,929,079.08 × 1,912,902.14
  4. Step 4: Simplify right side
    2,844,815.65x = 7,515,943,794,966.19
  5. Step 5: Solve for x
    x = 7,515,943,794,966.19/2,844,815.65
  6. Step 6: Final answer
    x = 2,641,979.21

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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.