Home / 2,956,917.76-4,080,526.72-1,667,768.80

Finding the Fourth Proportional to 2,956,917.76, 4,080,526.72 and 1,667,768.80

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Solution

The fourth proportional to 2,956,917.76, 4,080,526.72 and 1,667,768.80 is: 2,301,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,917.76 : 4,080,526.72 = 1,667,768.80 : x
  2. Step 2: Convert to fraction form
    2,956,917.76/4,080,526.72 = 1,667,768.80/x
  3. Step 3: Cross multiply
    2,956,917.76x = 4,080,526.72 × 1,667,768.80
  4. Step 4: Simplify right side
    2,956,917.76x = 6,805,375,151,182.34
  5. Step 5: Solve for x
    x = 6,805,375,151,182.34/2,956,917.76
  6. Step 6: Final answer
    x = 2,301,509.78

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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.