Home / 2,131,034.85-3,194,559.36-782,835.45

Finding the Fourth Proportional to 2,131,034.85, 3,194,559.36 and 782,835.45

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Solution

The fourth proportional to 2,131,034.85, 3,194,559.36 and 782,835.45 is: 1,173,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,034.85 : 3,194,559.36 = 782,835.45 : x
  2. Step 2: Convert to fraction form
    2,131,034.85/3,194,559.36 = 782,835.45/x
  3. Step 3: Cross multiply
    2,131,034.85x = 3,194,559.36 × 782,835.45
  4. Step 4: Simplify right side
    2,131,034.85x = 2,500,814,314,137.31
  5. Step 5: Solve for x
    x = 2,500,814,314,137.31/2,131,034.85
  6. Step 6: Final answer
    x = 1,173,521.08

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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.