Home / 3,780,281.76-5,216,914.80-2,061,496.32

Finding the Fourth Proportional to 3,780,281.76, 5,216,914.80 and 2,061,496.32

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Solution

The fourth proportional to 3,780,281.76, 5,216,914.80 and 2,061,496.32 is: 2,844,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,281.76 : 5,216,914.80 = 2,061,496.32 : x
  2. Step 2: Convert to fraction form
    3,780,281.76/5,216,914.80 = 2,061,496.32/x
  3. Step 3: Cross multiply
    3,780,281.76x = 5,216,914.80 × 2,061,496.32
  4. Step 4: Simplify right side
    3,780,281.76x = 10,754,650,661,953.54
  5. Step 5: Solve for x
    x = 10,754,650,661,953.54/3,780,281.76
  6. Step 6: Final answer
    x = 2,844,933.62

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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.