Home / 2,178,408.54-3,267,719.50-830,319.88

Finding the Fourth Proportional to 2,178,408.54, 3,267,719.50 and 830,319.88

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Solution

The fourth proportional to 2,178,408.54, 3,267,719.50 and 830,319.88 is: 1,245,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,408.54 : 3,267,719.50 = 830,319.88 : x
  2. Step 2: Convert to fraction form
    2,178,408.54/3,267,719.50 = 830,319.88/x
  3. Step 3: Cross multiply
    2,178,408.54x = 3,267,719.50 × 830,319.88
  4. Step 4: Simplify right side
    2,178,408.54x = 2,713,252,463,113.66
  5. Step 5: Solve for x
    x = 2,713,252,463,113.66/2,178,408.54
  6. Step 6: Final answer
    x = 1,245,520.49

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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.