Home / 2,197,161.20-3,295,741.80-778,818.80

Finding the Fourth Proportional to 2,197,161.20, 3,295,741.80 and 778,818.80

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Solution

The fourth proportional to 2,197,161.20, 3,295,741.80 and 778,818.80 is: 1,168,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,161.20 : 3,295,741.80 = 778,818.80 : x
  2. Step 2: Convert to fraction form
    2,197,161.20/3,295,741.80 = 778,818.80/x
  3. Step 3: Cross multiply
    2,197,161.20x = 3,295,741.80 × 778,818.80
  4. Step 4: Simplify right side
    2,197,161.20x = 2,566,785,673,785.84
  5. Step 5: Solve for x
    x = 2,566,785,673,785.84/2,197,161.20
  6. Step 6: Final answer
    x = 1,168,228.20

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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.