Home / 2,140,929.28-2,954,522.99-1,174,001.90

Finding the Fourth Proportional to 2,140,929.28, 2,954,522.99 and 1,174,001.90

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Solution

The fourth proportional to 2,140,929.28, 2,954,522.99 and 1,174,001.90 is: 1,620,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,929.28 : 2,954,522.99 = 1,174,001.90 : x
  2. Step 2: Convert to fraction form
    2,140,929.28/2,954,522.99 = 1,174,001.90/x
  3. Step 3: Cross multiply
    2,140,929.28x = 2,954,522.99 × 1,174,001.90
  4. Step 4: Simplify right side
    2,140,929.28x = 3,468,615,603,853.68
  5. Step 5: Solve for x
    x = 3,468,615,603,853.68/2,140,929.28
  6. Step 6: Final answer
    x = 1,620,144.88

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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.