Home / 2,175,270.81-3,002,682.11-1,868,113.77

Finding the Fourth Proportional to 2,175,270.81, 3,002,682.11 and 1,868,113.77

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Solution

The fourth proportional to 2,175,270.81, 3,002,682.11 and 1,868,113.77 is: 2,578,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,270.81 : 3,002,682.11 = 1,868,113.77 : x
  2. Step 2: Convert to fraction form
    2,175,270.81/3,002,682.11 = 1,868,113.77/x
  3. Step 3: Cross multiply
    2,175,270.81x = 3,002,682.11 × 1,868,113.77
  4. Step 4: Simplify right side
    2,175,270.81x = 5,609,351,787,283.09
  5. Step 5: Solve for x
    x = 5,609,351,787,283.09/2,175,270.81
  6. Step 6: Final answer
    x = 2,578,691.24

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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.