Home / 1,928,882.85-2,887,648.58-1,287,596.02

Finding the Fourth Proportional to 1,928,882.85, 2,887,648.58 and 1,287,596.02

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Solution

The fourth proportional to 1,928,882.85, 2,887,648.58 and 1,287,596.02 is: 1,927,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,882.85 : 2,887,648.58 = 1,287,596.02 : x
  2. Step 2: Convert to fraction form
    1,928,882.85/2,887,648.58 = 1,287,596.02/x
  3. Step 3: Cross multiply
    1,928,882.85x = 2,887,648.58 × 1,287,596.02
  4. Step 4: Simplify right side
    1,928,882.85x = 3,718,124,810,029.04
  5. Step 5: Solve for x
    x = 3,718,124,810,029.04/1,928,882.85
  6. Step 6: Final answer
    x = 1,927,605.30

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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.