Home / 3,175,616.32-4,763,428.34-870,129.16

Finding the Fourth Proportional to 3,175,616.32, 4,763,428.34 and 870,129.16

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Solution

The fourth proportional to 3,175,616.32, 4,763,428.34 and 870,129.16 is: 1,305,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,616.32 : 4,763,428.34 = 870,129.16 : x
  2. Step 2: Convert to fraction form
    3,175,616.32/4,763,428.34 = 870,129.16/x
  3. Step 3: Cross multiply
    3,175,616.32x = 4,763,428.34 × 870,129.16
  4. Step 4: Simplify right side
    3,175,616.32x = 4,144,797,900,204.39
  5. Step 5: Solve for x
    x = 4,144,797,900,204.39/3,175,616.32
  6. Step 6: Final answer
    x = 1,305,194.80

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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.