Home / 2,879,912.76-3,974,203.49-1,590,725.48

Finding the Fourth Proportional to 2,879,912.76, 3,974,203.49 and 1,590,725.48

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Solution

The fourth proportional to 2,879,912.76, 3,974,203.49 and 1,590,725.48 is: 2,195,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,912.76 : 3,974,203.49 = 1,590,725.48 : x
  2. Step 2: Convert to fraction form
    2,879,912.76/3,974,203.49 = 1,590,725.48/x
  3. Step 3: Cross multiply
    2,879,912.76x = 3,974,203.49 × 1,590,725.48
  4. Step 4: Simplify right side
    2,879,912.76x = 6,321,866,726,423.28
  5. Step 5: Solve for x
    x = 6,321,866,726,423.28/2,879,912.76
  6. Step 6: Final answer
    x = 2,195,159.11

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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.