Home / 1,821,395.20-2,732,225.40-699,464.20

Finding the Fourth Proportional to 1,821,395.20, 2,732,225.40 and 699,464.20

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Solution

The fourth proportional to 1,821,395.20, 2,732,225.40 and 699,464.20 is: 1,049,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,395.20 : 2,732,225.40 = 699,464.20 : x
  2. Step 2: Convert to fraction form
    1,821,395.20/2,732,225.40 = 699,464.20/x
  3. Step 3: Cross multiply
    1,821,395.20x = 2,732,225.40 × 699,464.20
  4. Step 4: Simplify right side
    1,821,395.20x = 1,911,093,853,630.68
  5. Step 5: Solve for x
    x = 1,911,093,853,630.68/1,821,395.20
  6. Step 6: Final answer
    x = 1,049,247.22

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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.