Home / 2,005,021.38-2,768,004.67-1,548,498.79

Finding the Fourth Proportional to 2,005,021.38, 2,768,004.67 and 1,548,498.79

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Solution

The fourth proportional to 2,005,021.38, 2,768,004.67 and 1,548,498.79 is: 2,137,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,021.38 : 2,768,004.67 = 1,548,498.79 : x
  2. Step 2: Convert to fraction form
    2,005,021.38/2,768,004.67 = 1,548,498.79/x
  3. Step 3: Cross multiply
    2,005,021.38x = 2,768,004.67 × 1,548,498.79
  4. Step 4: Simplify right side
    2,005,021.38x = 4,286,251,882,209.35
  5. Step 5: Solve for x
    x = 4,286,251,882,209.35/2,005,021.38
  6. Step 6: Final answer
    x = 2,137,758.69

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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.