Home / 2,111,186.92-2,913,754.98-1,661,860.84

Finding the Fourth Proportional to 2,111,186.92, 2,913,754.98 and 1,661,860.84

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Solution

The fourth proportional to 2,111,186.92, 2,913,754.98 and 1,661,860.84 is: 2,293,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,186.92 : 2,913,754.98 = 1,661,860.84 : x
  2. Step 2: Convert to fraction form
    2,111,186.92/2,913,754.98 = 1,661,860.84/x
  3. Step 3: Cross multiply
    2,111,186.92x = 2,913,754.98 × 1,661,860.84
  4. Step 4: Simplify right side
    2,111,186.92x = 4,842,255,298,616.98
  5. Step 5: Solve for x
    x = 4,842,255,298,616.98/2,111,186.92
  6. Step 6: Final answer
    x = 2,293,617.52

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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.