Home / 2,922,612-4,382,168.40-1,214,697.12

Finding the Fourth Proportional to 2,922,612, 4,382,168.40 and 1,214,697.12

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Solution

The fourth proportional to 2,922,612, 4,382,168.40 and 1,214,697.12 is: 1,821,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,612 : 4,382,168.40 = 1,214,697.12 : x
  2. Step 2: Convert to fraction form
    2,922,612/4,382,168.40 = 1,214,697.12/x
  3. Step 3: Cross multiply
    2,922,612x = 4,382,168.40 × 1,214,697.12
  4. Step 4: Simplify right side
    2,922,612x = 5,323,007,334,835.01
  5. Step 5: Solve for x
    x = 5,323,007,334,835.01/2,922,612
  6. Step 6: Final answer
    x = 1,821,318.51

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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.