Home / 3,131,930.34-4,321,859.28-1,842,521.58

Finding the Fourth Proportional to 3,131,930.34, 4,321,859.28 and 1,842,521.58

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Solution

The fourth proportional to 3,131,930.34, 4,321,859.28 and 1,842,521.58 is: 2,542,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,930.34 : 4,321,859.28 = 1,842,521.58 : x
  2. Step 2: Convert to fraction form
    3,131,930.34/4,321,859.28 = 1,842,521.58/x
  3. Step 3: Cross multiply
    3,131,930.34x = 4,321,859.28 × 1,842,521.58
  4. Step 4: Simplify right side
    3,131,930.34x = 7,963,118,989,123.26
  5. Step 5: Solve for x
    x = 7,963,118,989,123.26/3,131,930.34
  6. Step 6: Final answer
    x = 2,542,559.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.