Home / 2,990,277-4,485,373.38-1,391,946.12

Finding the Fourth Proportional to 2,990,277, 4,485,373.38 and 1,391,946.12

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Solution

The fourth proportional to 2,990,277, 4,485,373.38 and 1,391,946.12 is: 2,087,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,277 : 4,485,373.38 = 1,391,946.12 : x
  2. Step 2: Convert to fraction form
    2,990,277/4,485,373.38 = 1,391,946.12/x
  3. Step 3: Cross multiply
    2,990,277x = 4,485,373.38 × 1,391,946.12
  4. Step 4: Simplify right side
    2,990,277x = 6,243,398,073,042.29
  5. Step 5: Solve for x
    x = 6,243,398,073,042.29/2,990,277
  6. Step 6: Final answer
    x = 2,087,899.57

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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.