Home / 2,211,293.48-3,316,958.67-613,981.13

Finding the Fourth Proportional to 2,211,293.48, 3,316,958.67 and 613,981.13

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Solution

The fourth proportional to 2,211,293.48, 3,316,958.67 and 613,981.13 is: 920,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,293.48 : 3,316,958.67 = 613,981.13 : x
  2. Step 2: Convert to fraction form
    2,211,293.48/3,316,958.67 = 613,981.13/x
  3. Step 3: Cross multiply
    2,211,293.48x = 3,316,958.67 × 613,981.13
  4. Step 4: Simplify right side
    2,211,293.48x = 2,036,550,015,785.10
  5. Step 5: Solve for x
    x = 2,036,550,015,785.10/2,211,293.48
  6. Step 6: Final answer
    x = 920,976.81

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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.