Home / 3,115,894.23-4,300,651.49-1,827,149.81

Finding the Fourth Proportional to 3,115,894.23, 4,300,651.49 and 1,827,149.81

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Solution

The fourth proportional to 3,115,894.23, 4,300,651.49 and 1,827,149.81 is: 2,521,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,894.23 : 4,300,651.49 = 1,827,149.81 : x
  2. Step 2: Convert to fraction form
    3,115,894.23/4,300,651.49 = 1,827,149.81/x
  3. Step 3: Cross multiply
    3,115,894.23x = 4,300,651.49 × 1,827,149.81
  4. Step 4: Simplify right side
    3,115,894.23x = 7,857,934,534,286.29
  5. Step 5: Solve for x
    x = 7,857,934,534,286.29/3,115,894.23
  6. Step 6: Final answer
    x = 2,521,887.44

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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.