Home / 3,101,005.72-4,278,425.70-1,810,915.48

Finding the Fourth Proportional to 3,101,005.72, 4,278,425.70 and 1,810,915.48

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Solution

The fourth proportional to 3,101,005.72, 4,278,425.70 and 1,810,915.48 is: 2,498,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,005.72 : 4,278,425.70 = 1,810,915.48 : x
  2. Step 2: Convert to fraction form
    3,101,005.72/4,278,425.70 = 1,810,915.48/x
  3. Step 3: Cross multiply
    3,101,005.72x = 4,278,425.70 × 1,810,915.48
  4. Step 4: Simplify right side
    3,101,005.72x = 7,747,867,330,159.84
  5. Step 5: Solve for x
    x = 7,747,867,330,159.84/3,101,005.72
  6. Step 6: Final answer
    x = 2,498,501.46

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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.