Home / 1,857,363-2,786,045.10-1,226,129.19

Finding the Fourth Proportional to 1,857,363, 2,786,045.10 and 1,226,129.19

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Solution

The fourth proportional to 1,857,363, 2,786,045.10 and 1,226,129.19 is: 1,839,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,363 : 2,786,045.10 = 1,226,129.19 : x
  2. Step 2: Convert to fraction form
    1,857,363/2,786,045.10 = 1,226,129.19/x
  3. Step 3: Cross multiply
    1,857,363x = 2,786,045.10 × 1,226,129.19
  4. Step 4: Simplify right side
    1,857,363x = 3,416,051,221,766.47
  5. Step 5: Solve for x
    x = 3,416,051,221,766.47/1,857,363
  6. Step 6: Final answer
    x = 1,839,194.18

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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.