Home / 2,172,633.35-3,258,950.03-1,377,440.15

Finding the Fourth Proportional to 2,172,633.35, 3,258,950.03 and 1,377,440.15

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Solution

The fourth proportional to 2,172,633.35, 3,258,950.03 and 1,377,440.15 is: 2,066,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,633.35 : 3,258,950.03 = 1,377,440.15 : x
  2. Step 2: Convert to fraction form
    2,172,633.35/3,258,950.03 = 1,377,440.15/x
  3. Step 3: Cross multiply
    2,172,633.35x = 3,258,950.03 × 1,377,440.15
  4. Step 4: Simplify right side
    2,172,633.35x = 4,489,008,611,278.50
  5. Step 5: Solve for x
    x = 4,489,008,611,278.50/2,172,633.35
  6. Step 6: Final answer
    x = 2,066,160.23

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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.