Home / 3,175,605.91-4,763,412.66-870,118.72

Finding the Fourth Proportional to 3,175,605.91, 4,763,412.66 and 870,118.72

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Solution

The fourth proportional to 3,175,605.91, 4,763,412.66 and 870,118.72 is: 1,305,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,605.91 : 4,763,412.66 = 870,118.72 : x
  2. Step 2: Convert to fraction form
    3,175,605.91/4,763,412.66 = 870,118.72/x
  3. Step 3: Cross multiply
    3,175,605.91x = 4,763,412.66 × 870,118.72
  4. Step 4: Simplify right side
    3,175,605.91x = 4,144,734,544,699.61
  5. Step 5: Solve for x
    x = 4,144,734,544,699.61/3,175,605.91
  6. Step 6: Final answer
    x = 1,305,179.13

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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.