Home / 3,830,215.92-5,285,695.49-2,087,888.64

Finding the Fourth Proportional to 3,830,215.92, 5,285,695.49 and 2,087,888.64

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Solution

The fourth proportional to 3,830,215.92, 5,285,695.49 and 2,087,888.64 is: 2,881,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,215.92 : 5,285,695.49 = 2,087,888.64 : x
  2. Step 2: Convert to fraction form
    3,830,215.92/5,285,695.49 = 2,087,888.64/x
  3. Step 3: Cross multiply
    3,830,215.92x = 5,285,695.49 × 2,087,888.64
  4. Step 4: Simplify right side
    3,830,215.92x = 11,035,943,568,070.23
  5. Step 5: Solve for x
    x = 11,035,943,568,070.23/3,830,215.92
  6. Step 6: Final answer
    x = 2,881,284.97

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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.