Home / 5,987,822.90-8,981,733.40-1,438,871.72

Finding the Fourth Proportional to 5,987,822.90, 8,981,733.40 and 1,438,871.72

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Solution

The fourth proportional to 5,987,822.90, 8,981,733.40 and 1,438,871.72 is: 2,158,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,822.90 : 8,981,733.40 = 1,438,871.72 : x
  2. Step 2: Convert to fraction form
    5,987,822.90/8,981,733.40 = 1,438,871.72/x
  3. Step 3: Cross multiply
    5,987,822.90x = 8,981,733.40 × 1,438,871.72
  4. Step 4: Simplify right side
    5,987,822.90x = 12,923,562,222,222.45
  5. Step 5: Solve for x
    x = 12,923,562,222,222.45/5,987,822.90
  6. Step 6: Final answer
    x = 2,158,307.36

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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.