Home / 2,319,216.50-3,200,410.78-1,286,713.28

Finding the Fourth Proportional to 2,319,216.50, 3,200,410.78 and 1,286,713.28

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Solution

The fourth proportional to 2,319,216.50, 3,200,410.78 and 1,286,713.28 is: 1,775,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,216.50 : 3,200,410.78 = 1,286,713.28 : x
  2. Step 2: Convert to fraction form
    2,319,216.50/3,200,410.78 = 1,286,713.28/x
  3. Step 3: Cross multiply
    2,319,216.50x = 3,200,410.78 × 1,286,713.28
  4. Step 4: Simplify right side
    2,319,216.50x = 4,118,011,056,865.40
  5. Step 5: Solve for x
    x = 4,118,011,056,865.40/2,319,216.50
  6. Step 6: Final answer
    x = 1,775,604.41

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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.