Home / 2,618,937.63-3,927,260.98-1,321,291.43

Finding the Fourth Proportional to 2,618,937.63, 3,927,260.98 and 1,321,291.43

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Solution

The fourth proportional to 2,618,937.63, 3,927,260.98 and 1,321,291.43 is: 1,981,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,937.63 : 3,927,260.98 = 1,321,291.43 : x
  2. Step 2: Convert to fraction form
    2,618,937.63/3,927,260.98 = 1,321,291.43/x
  3. Step 3: Cross multiply
    2,618,937.63x = 3,927,260.98 × 1,321,291.43
  4. Step 4: Simplify right side
    2,618,937.63x = 5,189,056,276,247.40
  5. Step 5: Solve for x
    x = 5,189,056,276,247.40/2,618,937.63
  6. Step 6: Final answer
    x = 1,981,359.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.