Home / 2,156,452.76-2,975,857.26-1,189,583.84

Finding the Fourth Proportional to 2,156,452.76, 2,975,857.26 and 1,189,583.84

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Solution

The fourth proportional to 2,156,452.76, 2,975,857.26 and 1,189,583.84 is: 1,641,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,452.76 : 2,975,857.26 = 1,189,583.84 : x
  2. Step 2: Convert to fraction form
    2,156,452.76/2,975,857.26 = 1,189,583.84/x
  3. Step 3: Cross multiply
    2,156,452.76x = 2,975,857.26 × 1,189,583.84
  4. Step 4: Simplify right side
    2,156,452.76x = 3,540,031,706,642.68
  5. Step 5: Solve for x
    x = 3,540,031,706,642.68/2,156,452.76
  6. Step 6: Final answer
    x = 1,641,599.47

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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.