Home / 3,081,345.40-4,253,325.42-2,117,665.72

Finding the Fourth Proportional to 3,081,345.40, 4,253,325.42 and 2,117,665.72

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Solution

The fourth proportional to 3,081,345.40, 4,253,325.42 and 2,117,665.72 is: 2,923,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,345.40 : 4,253,325.42 = 2,117,665.72 : x
  2. Step 2: Convert to fraction form
    3,081,345.40/4,253,325.42 = 2,117,665.72/x
  3. Step 3: Cross multiply
    3,081,345.40x = 4,253,325.42 × 2,117,665.72
  4. Step 4: Simplify right side
    3,081,345.40x = 9,007,121,437,938.60
  5. Step 5: Solve for x
    x = 9,007,121,437,938.60/3,081,345.40
  6. Step 6: Final answer
    x = 2,923,113.21

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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.