Home / 2,218,315.70-3,061,277.67-1,199,720.45

Finding the Fourth Proportional to 2,218,315.70, 3,061,277.67 and 1,199,720.45

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Solution

The fourth proportional to 2,218,315.70, 3,061,277.67 and 1,199,720.45 is: 1,655,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,315.70 : 3,061,277.67 = 1,199,720.45 : x
  2. Step 2: Convert to fraction form
    2,218,315.70/3,061,277.67 = 1,199,720.45/x
  3. Step 3: Cross multiply
    2,218,315.70x = 3,061,277.67 × 1,199,720.45
  4. Step 4: Simplify right side
    2,218,315.70x = 3,672,677,408,520.96
  5. Step 5: Solve for x
    x = 3,672,677,408,520.96/2,218,315.70
  6. Step 6: Final answer
    x = 1,655,615.30

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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.