Home / 3,864,914.91-5,771,345.75-3,156,348.51

Finding the Fourth Proportional to 3,864,914.91, 5,771,345.75 and 3,156,348.51

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Solution

The fourth proportional to 3,864,914.91, 5,771,345.75 and 3,156,348.51 is: 4,713,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,914.91 : 5,771,345.75 = 3,156,348.51 : x
  2. Step 2: Convert to fraction form
    3,864,914.91/5,771,345.75 = 3,156,348.51/x
  3. Step 3: Cross multiply
    3,864,914.91x = 5,771,345.75 × 3,156,348.51
  4. Step 4: Simplify right side
    3,864,914.91x = 18,216,378,542,925.59
  5. Step 5: Solve for x
    x = 18,216,378,542,925.59/3,864,914.91
  6. Step 6: Final answer
    x = 4,713,267.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.