Home / 3,019,736.20-4,167,111.04-1,643,085.60

Finding the Fourth Proportional to 3,019,736.20, 4,167,111.04 and 1,643,085.60

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Solution

The fourth proportional to 3,019,736.20, 4,167,111.04 and 1,643,085.60 is: 2,267,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,736.20 : 4,167,111.04 = 1,643,085.60 : x
  2. Step 2: Convert to fraction form
    3,019,736.20/4,167,111.04 = 1,643,085.60/x
  3. Step 3: Cross multiply
    3,019,736.20x = 4,167,111.04 × 1,643,085.60
  4. Step 4: Simplify right side
    3,019,736.20x = 6,846,920,143,425.03
  5. Step 5: Solve for x
    x = 6,846,920,143,425.03/3,019,736.20
  6. Step 6: Final answer
    x = 2,267,390.16

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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.