Home / 3,146,147.34-4,342,016.47-1,923,168.74

Finding the Fourth Proportional to 3,146,147.34, 4,342,016.47 and 1,923,168.74

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Solution

The fourth proportional to 3,146,147.34, 4,342,016.47 and 1,923,168.74 is: 2,654,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,147.34 : 4,342,016.47 = 1,923,168.74 : x
  2. Step 2: Convert to fraction form
    3,146,147.34/4,342,016.47 = 1,923,168.74/x
  3. Step 3: Cross multiply
    3,146,147.34x = 4,342,016.47 × 1,923,168.74
  4. Step 4: Simplify right side
    3,146,147.34x = 8,350,430,339,772.02
  5. Step 5: Solve for x
    x = 8,350,430,339,772.02/3,146,147.34
  6. Step 6: Final answer
    x = 2,654,176.50

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1.5x scale

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.