Home / 2,728,072-3,763,176.66-1,707,705.28

Finding the Fourth Proportional to 2,728,072, 3,763,176.66 and 1,707,705.28

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Solution

The fourth proportional to 2,728,072, 3,763,176.66 and 1,707,705.28 is: 2,355,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,072 : 3,763,176.66 = 1,707,705.28 : x
  2. Step 2: Convert to fraction form
    2,728,072/3,763,176.66 = 1,707,705.28/x
  3. Step 3: Cross multiply
    2,728,072x = 3,763,176.66 × 1,707,705.28
  4. Step 4: Simplify right side
    2,728,072x = 6,426,396,651,854.77
  5. Step 5: Solve for x
    x = 6,426,396,651,854.77/2,728,072
  6. Step 6: Final answer
    x = 2,355,655.08

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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.