Home / 2,318,333.85-3,196,360.78-1,656,836.21

Finding the Fourth Proportional to 2,318,333.85, 3,196,360.78 and 1,656,836.21

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Solution

The fourth proportional to 2,318,333.85, 3,196,360.78 and 1,656,836.21 is: 2,284,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,333.85 : 3,196,360.78 = 1,656,836.21 : x
  2. Step 2: Convert to fraction form
    2,318,333.85/3,196,360.78 = 1,656,836.21/x
  3. Step 3: Cross multiply
    2,318,333.85x = 3,196,360.78 × 1,656,836.21
  4. Step 4: Simplify right side
    2,318,333.85x = 5,295,846,256,261.86
  5. Step 5: Solve for x
    x = 5,295,846,256,261.86/2,318,333.85
  6. Step 6: Final answer
    x = 2,284,332.89

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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.