Home / 2,791,654.86-4,168,571.45-2,216,583.21

Finding the Fourth Proportional to 2,791,654.86, 4,168,571.45 and 2,216,583.21

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Solution

The fourth proportional to 2,791,654.86, 4,168,571.45 and 2,216,583.21 is: 3,309,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,654.86 : 4,168,571.45 = 2,216,583.21 : x
  2. Step 2: Convert to fraction form
    2,791,654.86/4,168,571.45 = 2,216,583.21/x
  3. Step 3: Cross multiply
    2,791,654.86x = 4,168,571.45 × 2,216,583.21
  4. Step 4: Simplify right side
    2,791,654.86x = 9,239,985,474,672.44
  5. Step 5: Solve for x
    x = 9,239,985,474,672.44/2,791,654.86
  6. Step 6: Final answer
    x = 3,309,859.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.