Home / 2,122,713.42-3,179,219.45-1,666,265.67

Finding the Fourth Proportional to 2,122,713.42, 3,179,219.45 and 1,666,265.67

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Solution

The fourth proportional to 2,122,713.42, 3,179,219.45 and 1,666,265.67 is: 2,495,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,713.42 : 3,179,219.45 = 1,666,265.67 : x
  2. Step 2: Convert to fraction form
    2,122,713.42/3,179,219.45 = 1,666,265.67/x
  3. Step 3: Cross multiply
    2,122,713.42x = 3,179,219.45 × 1,666,265.67
  4. Step 4: Simplify right side
    2,122,713.42x = 5,297,424,218,599.95
  5. Step 5: Solve for x
    x = 5,297,424,218,599.95/2,122,713.42
  6. Step 6: Final answer
    x = 2,495,590.86

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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.