Home / 1,953,979.20-2,933,593.20-1,247,140.80

Finding the Fourth Proportional to 1,953,979.20, 2,933,593.20 and 1,247,140.80

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Solution

The fourth proportional to 1,953,979.20, 2,933,593.20 and 1,247,140.80 is: 1,872,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,979.20 : 2,933,593.20 = 1,247,140.80 : x
  2. Step 2: Convert to fraction form
    1,953,979.20/2,933,593.20 = 1,247,140.80/x
  3. Step 3: Cross multiply
    1,953,979.20x = 2,933,593.20 × 1,247,140.80
  4. Step 4: Simplify right side
    1,953,979.20x = 3,658,603,770,322.56
  5. Step 5: Solve for x
    x = 3,658,603,770,322.56/1,953,979.20
  6. Step 6: Final answer
    x = 1,872,386.24

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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.