Home / 5,110,865.37-7,052,870.61-2,818,976.85

Finding the Fourth Proportional to 5,110,865.37, 7,052,870.61 and 2,818,976.85

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Solution

The fourth proportional to 5,110,865.37, 7,052,870.61 and 2,818,976.85 is: 3,890,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110,865.37 : 7,052,870.61 = 2,818,976.85 : x
  2. Step 2: Convert to fraction form
    5,110,865.37/7,052,870.61 = 2,818,976.85/x
  3. Step 3: Cross multiply
    5,110,865.37x = 7,052,870.61 × 2,818,976.85
  4. Step 4: Simplify right side
    5,110,865.37x = 19,881,878,975,635.38
  5. Step 5: Solve for x
    x = 19,881,878,975,635.38/5,110,865.37
  6. Step 6: Final answer
    x = 3,890,119.88

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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.