Home / 2,043,843.21-2,820,368.61-1,227,561.84

Finding the Fourth Proportional to 2,043,843.21, 2,820,368.61 and 1,227,561.84

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Solution

The fourth proportional to 2,043,843.21, 2,820,368.61 and 1,227,561.84 is: 1,693,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,843.21 : 2,820,368.61 = 1,227,561.84 : x
  2. Step 2: Convert to fraction form
    2,043,843.21/2,820,368.61 = 1,227,561.84/x
  3. Step 3: Cross multiply
    2,043,843.21x = 2,820,368.61 × 1,227,561.84
  4. Step 4: Simplify right side
    2,043,843.21x = 3,462,176,880,369.84
  5. Step 5: Solve for x
    x = 3,462,176,880,369.84/2,043,843.21
  6. Step 6: Final answer
    x = 1,693,954.24

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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.