Home / 3,110,871.20-4,293,001.36-1,680,087.20

Finding the Fourth Proportional to 3,110,871.20, 4,293,001.36 and 1,680,087.20

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Solution

The fourth proportional to 3,110,871.20, 4,293,001.36 and 1,680,087.20 is: 2,318,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,871.20 : 4,293,001.36 = 1,680,087.20 : x
  2. Step 2: Convert to fraction form
    3,110,871.20/4,293,001.36 = 1,680,087.20/x
  3. Step 3: Cross multiply
    3,110,871.20x = 4,293,001.36 × 1,680,087.20
  4. Step 4: Simplify right side
    3,110,871.20x = 7,212,616,634,518.59
  5. Step 5: Solve for x
    x = 7,212,616,634,518.59/3,110,871.20
  6. Step 6: Final answer
    x = 2,318,519.85

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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.