Home / 2,301,257.72-3,449,491.74-1,288,895.40

Finding the Fourth Proportional to 2,301,257.72, 3,449,491.74 and 1,288,895.40

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Solution

The fourth proportional to 2,301,257.72, 3,449,491.74 and 1,288,895.40 is: 1,932,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301,257.72 : 3,449,491.74 = 1,288,895.40 : x
  2. Step 2: Convert to fraction form
    2,301,257.72/3,449,491.74 = 1,288,895.40/x
  3. Step 3: Cross multiply
    2,301,257.72x = 3,449,491.74 × 1,288,895.40
  4. Step 4: Simplify right side
    2,301,257.72x = 4,446,034,036,024.00
  5. Step 5: Solve for x
    x = 4,446,034,036,024.00/2,301,257.72
  6. Step 6: Final answer
    x = 1,932,001.79

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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.