Home / 2,140,489.92-2,954,008.80-1,186,633.92

Finding the Fourth Proportional to 2,140,489.92, 2,954,008.80 and 1,186,633.92

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Solution

The fourth proportional to 2,140,489.92, 2,954,008.80 and 1,186,633.92 is: 1,637,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,489.92 : 2,954,008.80 = 1,186,633.92 : x
  2. Step 2: Convert to fraction form
    2,140,489.92/2,954,008.80 = 1,186,633.92/x
  3. Step 3: Cross multiply
    2,140,489.92x = 2,954,008.80 × 1,186,633.92
  4. Step 4: Simplify right side
    2,140,489.92x = 3,505,327,042,058.50
  5. Step 5: Solve for x
    x = 3,505,327,042,058.50/2,140,489.92
  6. Step 6: Final answer
    x = 1,637,628.38

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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.