Home / 2,176,512.90-3,003,712.05-1,209,704.44

Finding the Fourth Proportional to 2,176,512.90, 3,003,712.05 and 1,209,704.44

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Solution

The fourth proportional to 2,176,512.90, 3,003,712.05 and 1,209,704.44 is: 1,669,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,512.90 : 3,003,712.05 = 1,209,704.44 : x
  2. Step 2: Convert to fraction form
    2,176,512.90/3,003,712.05 = 1,209,704.44/x
  3. Step 3: Cross multiply
    2,176,512.90x = 3,003,712.05 × 1,209,704.44
  4. Step 4: Simplify right side
    2,176,512.90x = 3,633,603,799,220.99
  5. Step 5: Solve for x
    x = 3,633,603,799,220.99/2,176,512.90
  6. Step 6: Final answer
    x = 1,669,461.19

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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.