Home / 3,146,157.30-4,342,030.20-1,923,178.68

Finding the Fourth Proportional to 3,146,157.30, 4,342,030.20 and 1,923,178.68

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Solution

The fourth proportional to 3,146,157.30, 4,342,030.20 and 1,923,178.68 is: 2,654,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,157.30 : 4,342,030.20 = 1,923,178.68 : x
  2. Step 2: Convert to fraction form
    3,146,157.30/4,342,030.20 = 1,923,178.68/x
  3. Step 3: Cross multiply
    3,146,157.30x = 4,342,030.20 × 1,923,178.68
  4. Step 4: Simplify right side
    3,146,157.30x = 8,350,499,908,556.14
  5. Step 5: Solve for x
    x = 8,350,499,908,556.14/3,146,157.30
  6. Step 6: Final answer
    x = 2,654,190.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.