Home / 2,180,156.70-3,271,401.45-918,111.90

Finding the Fourth Proportional to 2,180,156.70, 3,271,401.45 and 918,111.90

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Solution

The fourth proportional to 2,180,156.70, 3,271,401.45 and 918,111.90 is: 1,377,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,156.70 : 3,271,401.45 = 918,111.90 : x
  2. Step 2: Convert to fraction form
    2,180,156.70/3,271,401.45 = 918,111.90/x
  3. Step 3: Cross multiply
    2,180,156.70x = 3,271,401.45 × 918,111.90
  4. Step 4: Simplify right side
    2,180,156.70x = 3,003,512,600,922.26
  5. Step 5: Solve for x
    x = 3,003,512,600,922.26/2,180,156.70
  6. Step 6: Final answer
    x = 1,377,659.05

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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.