Home / 1,857,981.17-2,786,966.57-510,145.22

Finding the Fourth Proportional to 1,857,981.17, 2,786,966.57 and 510,145.22

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Solution

The fourth proportional to 1,857,981.17, 2,786,966.57 and 510,145.22 is: 765,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,981.17 : 2,786,966.57 = 510,145.22 : x
  2. Step 2: Convert to fraction form
    1,857,981.17/2,786,966.57 = 510,145.22/x
  3. Step 3: Cross multiply
    1,857,981.17x = 2,786,966.57 × 510,145.22
  4. Step 4: Simplify right side
    1,857,981.17x = 1,421,757,682,228.07
  5. Step 5: Solve for x
    x = 1,421,757,682,228.07/1,857,981.17
  6. Step 6: Final answer
    x = 765,216.41

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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.