Home / 1,881,998.64-2,821,411.08-816,238

Finding the Fourth Proportional to 1,881,998.64, 2,821,411.08 and 816,238

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Solution

The fourth proportional to 1,881,998.64, 2,821,411.08 and 816,238 is: 1,223,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,998.64 : 2,821,411.08 = 816,238 : x
  2. Step 2: Convert to fraction form
    1,881,998.64/2,821,411.08 = 816,238/x
  3. Step 3: Cross multiply
    1,881,998.64x = 2,821,411.08 × 816,238
  4. Step 4: Simplify right side
    1,881,998.64x = 2,302,942,937,117.04
  5. Step 5: Solve for x
    x = 2,302,942,937,117.04/1,881,998.64
  6. Step 6: Final answer
    x = 1,223,668.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.