Home / 5,209,504.92-7,189,021.64-2,886,388.97

Finding the Fourth Proportional to 5,209,504.92, 7,189,021.64 and 2,886,388.97

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Solution

The fourth proportional to 5,209,504.92, 7,189,021.64 and 2,886,388.97 is: 3,983,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,504.92 : 7,189,021.64 = 2,886,388.97 : x
  2. Step 2: Convert to fraction form
    5,209,504.92/7,189,021.64 = 2,886,388.97/x
  3. Step 3: Cross multiply
    5,209,504.92x = 7,189,021.64 × 2,886,388.97
  4. Step 4: Simplify right side
    5,209,504.92x = 20,750,312,716,410.26
  5. Step 5: Solve for x
    x = 20,750,312,716,410.26/5,209,504.92
  6. Step 6: Final answer
    x = 3,983,164.05

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1.5x scale

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.