Home / 5,228,744.88-7,215,510.78-2,905,629.60

Finding the Fourth Proportional to 5,228,744.88, 7,215,510.78 and 2,905,629.60

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Solution

The fourth proportional to 5,228,744.88, 7,215,510.78 and 2,905,629.60 is: 4,009,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,744.88 : 7,215,510.78 = 2,905,629.60 : x
  2. Step 2: Convert to fraction form
    5,228,744.88/7,215,510.78 = 2,905,629.60/x
  3. Step 3: Cross multiply
    5,228,744.88x = 7,215,510.78 × 2,905,629.60
  4. Step 4: Simplify right side
    5,228,744.88x = 20,965,601,701,487.09
  5. Step 5: Solve for x
    x = 20,965,601,701,487.09/5,228,744.88
  6. Step 6: Final answer
    x = 4,009,681.52

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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.