Home / 2,177,567.31-3,005,003.97-1,210,676.79

Finding the Fourth Proportional to 2,177,567.31, 3,005,003.97 and 1,210,676.79

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Solution

The fourth proportional to 2,177,567.31, 3,005,003.97 and 1,210,676.79 is: 1,670,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,567.31 : 3,005,003.97 = 1,210,676.79 : x
  2. Step 2: Convert to fraction form
    2,177,567.31/3,005,003.97 = 1,210,676.79/x
  3. Step 3: Cross multiply
    2,177,567.31x = 3,005,003.97 × 1,210,676.79
  4. Step 4: Simplify right side
    2,177,567.31x = 3,638,088,560,336.86
  5. Step 5: Solve for x
    x = 3,638,088,560,336.86/2,177,567.31
  6. Step 6: Final answer
    x = 1,670,712.33

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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.