Home / 2,191,213.91-3,023,868.80-1,224,344.95

Finding the Fourth Proportional to 2,191,213.91, 3,023,868.80 and 1,224,344.95

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Solution

The fourth proportional to 2,191,213.91, 3,023,868.80 and 1,224,344.95 is: 1,689,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,213.91 : 3,023,868.80 = 1,224,344.95 : x
  2. Step 2: Convert to fraction form
    2,191,213.91/3,023,868.80 = 1,224,344.95/x
  3. Step 3: Cross multiply
    2,191,213.91x = 3,023,868.80 × 1,224,344.95
  4. Step 4: Simplify right side
    2,191,213.91x = 3,702,258,488,620.84
  5. Step 5: Solve for x
    x = 3,702,258,488,620.84/2,191,213.91
  6. Step 6: Final answer
    x = 1,689,592.46

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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.