Home / 6,498,979.08-8,965,767.60-3,919,226.28

Finding the Fourth Proportional to 6,498,979.08, 8,965,767.60 and 3,919,226.28

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Solution

The fourth proportional to 6,498,979.08, 8,965,767.60 and 3,919,226.28 is: 5,406,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,979.08 : 8,965,767.60 = 3,919,226.28 : x
  2. Step 2: Convert to fraction form
    6,498,979.08/8,965,767.60 = 3,919,226.28/x
  3. Step 3: Cross multiply
    6,498,979.08x = 8,965,767.60 × 3,919,226.28
  4. Step 4: Simplify right side
    6,498,979.08x = 35,138,871,998,292.52
  5. Step 5: Solve for x
    x = 35,138,871,998,292.52/6,498,979.08
  6. Step 6: Final answer
    x = 5,406,829.53

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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.