Home / 1,684,220.11-2,321,803.78-1,199,944.46

Finding the Fourth Proportional to 1,684,220.11, 2,321,803.78 and 1,199,944.46

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Solution

The fourth proportional to 1,684,220.11, 2,321,803.78 and 1,199,944.46 is: 1,654,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,220.11 : 2,321,803.78 = 1,199,944.46 : x
  2. Step 2: Convert to fraction form
    1,684,220.11/2,321,803.78 = 1,199,944.46/x
  3. Step 3: Cross multiply
    1,684,220.11x = 2,321,803.78 × 1,199,944.46
  4. Step 4: Simplify right side
    1,684,220.11x = 2,786,035,585,822.71
  5. Step 5: Solve for x
    x = 2,786,035,585,822.71/1,684,220.11
  6. Step 6: Final answer
    x = 1,654,199.22

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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.