Home / 2,197,159.20-3,295,738.80-778,816.80

Finding the Fourth Proportional to 2,197,159.20, 3,295,738.80 and 778,816.80

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Solution

The fourth proportional to 2,197,159.20, 3,295,738.80 and 778,816.80 is: 1,168,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,159.20 : 3,295,738.80 = 778,816.80 : x
  2. Step 2: Convert to fraction form
    2,197,159.20/3,295,738.80 = 778,816.80/x
  3. Step 3: Cross multiply
    2,197,159.20x = 3,295,738.80 × 778,816.80
  4. Step 4: Simplify right side
    2,197,159.20x = 2,566,776,745,851.84
  5. Step 5: Solve for x
    x = 2,566,776,745,851.84/2,197,159.20
  6. Step 6: Final answer
    x = 1,168,225.20

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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.