Home / 2,177,715.85-3,005,091.65-1,197,722.86

Finding the Fourth Proportional to 2,177,715.85, 3,005,091.65 and 1,197,722.86

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Solution

The fourth proportional to 2,177,715.85, 3,005,091.65 and 1,197,722.86 is: 1,652,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,715.85 : 3,005,091.65 = 1,197,722.86 : x
  2. Step 2: Convert to fraction form
    2,177,715.85/3,005,091.65 = 1,197,722.86/x
  3. Step 3: Cross multiply
    2,177,715.85x = 3,005,091.65 × 1,197,722.86
  4. Step 4: Simplify right side
    2,177,715.85x = 3,599,266,961,081.70
  5. Step 5: Solve for x
    x = 3,599,266,961,081.70/2,177,715.85
  6. Step 6: Final answer
    x = 1,652,771.63

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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.