Home / 3,868,403.06-5,336,172.80-2,415,576.50

Finding the Fourth Proportional to 3,868,403.06, 5,336,172.80 and 2,415,576.50

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Solution

The fourth proportional to 3,868,403.06, 5,336,172.80 and 2,415,576.50 is: 3,332,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,403.06 : 5,336,172.80 = 2,415,576.50 : x
  2. Step 2: Convert to fraction form
    3,868,403.06/5,336,172.80 = 2,415,576.50/x
  3. Step 3: Cross multiply
    3,868,403.06x = 5,336,172.80 × 2,415,576.50
  4. Step 4: Simplify right side
    3,868,403.06x = 12,889,933,615,619.20
  5. Step 5: Solve for x
    x = 12,889,933,615,619.20/3,868,403.06
  6. Step 6: Final answer
    x = 3,332,107.18

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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.