Home / 2,620,858.78-3,616,186.74-1,474,520.86

Finding the Fourth Proportional to 2,620,858.78, 3,616,186.74 and 1,474,520.86

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Solution

The fourth proportional to 2,620,858.78, 3,616,186.74 and 1,474,520.86 is: 2,034,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,858.78 : 3,616,186.74 = 1,474,520.86 : x
  2. Step 2: Convert to fraction form
    2,620,858.78/3,616,186.74 = 1,474,520.86/x
  3. Step 3: Cross multiply
    2,620,858.78x = 3,616,186.74 × 1,474,520.86
  4. Step 4: Simplify right side
    2,620,858.78x = 5,332,142,781,785.40
  5. Step 5: Solve for x
    x = 5,332,142,781,785.40/2,620,858.78
  6. Step 6: Final answer
    x = 2,034,502.13

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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.