Home / 2,643,123.30-3,640,687.58-1,867,407.58

Finding the Fourth Proportional to 2,643,123.30, 3,640,687.58 and 1,867,407.58

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Solution

The fourth proportional to 2,643,123.30, 3,640,687.58 and 1,867,407.58 is: 2,572,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,123.30 : 3,640,687.58 = 1,867,407.58 : x
  2. Step 2: Convert to fraction form
    2,643,123.30/3,640,687.58 = 1,867,407.58/x
  3. Step 3: Cross multiply
    2,643,123.30x = 3,640,687.58 × 1,867,407.58
  4. Step 4: Simplify right side
    2,643,123.30x = 6,798,647,590,832.14
  5. Step 5: Solve for x
    x = 6,798,647,590,832.14/2,643,123.30
  6. Step 6: Final answer
    x = 2,572,202.21

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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.