Home / 1,965,515.42-2,948,289.64-545,682.22

Finding the Fourth Proportional to 1,965,515.42, 2,948,289.64 and 545,682.22

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Solution

The fourth proportional to 1,965,515.42, 2,948,289.64 and 545,682.22 is: 818,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,515.42 : 2,948,289.64 = 545,682.22 : x
  2. Step 2: Convert to fraction form
    1,965,515.42/2,948,289.64 = 545,682.22/x
  3. Step 3: Cross multiply
    1,965,515.42x = 2,948,289.64 × 545,682.22
  4. Step 4: Simplify right side
    1,965,515.42x = 1,608,829,227,223.27
  5. Step 5: Solve for x
    x = 1,608,829,227,223.27/1,965,515.42
  6. Step 6: Final answer
    x = 818,527.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.