Home / 3,936,890.16-5,432,908.80-2,126,054.16

Finding the Fourth Proportional to 3,936,890.16, 5,432,908.80 and 2,126,054.16

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Solution

The fourth proportional to 3,936,890.16, 5,432,908.80 and 2,126,054.16 is: 2,933,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,890.16 : 5,432,908.80 = 2,126,054.16 : x
  2. Step 2: Convert to fraction form
    3,936,890.16/5,432,908.80 = 2,126,054.16/x
  3. Step 3: Cross multiply
    3,936,890.16x = 5,432,908.80 × 2,126,054.16
  4. Step 4: Simplify right side
    3,936,890.16x = 11,550,658,355,140.61
  5. Step 5: Solve for x
    x = 11,550,658,355,140.61/3,936,890.16
  6. Step 6: Final answer
    x = 2,933,954.95

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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.