Home / 2,648,576.23-3,972,900.79-755,317.87

Finding the Fourth Proportional to 2,648,576.23, 3,972,900.79 and 755,317.87

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Solution

The fourth proportional to 2,648,576.23, 3,972,900.79 and 755,317.87 is: 1,132,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,576.23 : 3,972,900.79 = 755,317.87 : x
  2. Step 2: Convert to fraction form
    2,648,576.23/3,972,900.79 = 755,317.87/x
  3. Step 3: Cross multiply
    2,648,576.23x = 3,972,900.79 × 755,317.87
  4. Step 4: Simplify right side
    2,648,576.23x = 3,000,802,962,424.12
  5. Step 5: Solve for x
    x = 3,000,802,962,424.12/2,648,576.23
  6. Step 6: Final answer
    x = 1,132,987.20

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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.