Home / 1,825,198.47-2,735,867.05-687,468.42

Finding the Fourth Proportional to 1,825,198.47, 2,735,867.05 and 687,468.42

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Solution

The fourth proportional to 1,825,198.47, 2,735,867.05 and 687,468.42 is: 1,030,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,198.47 : 2,735,867.05 = 687,468.42 : x
  2. Step 2: Convert to fraction form
    1,825,198.47/2,735,867.05 = 687,468.42/x
  3. Step 3: Cross multiply
    1,825,198.47x = 2,735,867.05 × 687,468.42
  4. Step 4: Simplify right side
    1,825,198.47x = 1,880,822,198,193.56
  5. Step 5: Solve for x
    x = 1,880,822,198,193.56/1,825,198.47
  6. Step 6: Final answer
    x = 1,030,475.44

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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.