Home / 3,136,121.74-4,703,621.46-830,630.62

Finding the Fourth Proportional to 3,136,121.74, 4,703,621.46 and 830,630.62

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Solution

The fourth proportional to 3,136,121.74, 4,703,621.46 and 830,630.62 is: 1,245,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,121.74 : 4,703,621.46 = 830,630.62 : x
  2. Step 2: Convert to fraction form
    3,136,121.74/4,703,621.46 = 830,630.62/x
  3. Step 3: Cross multiply
    3,136,121.74x = 4,703,621.46 × 830,630.62
  4. Step 4: Simplify right side
    3,136,121.74x = 3,906,972,009,565.11
  5. Step 5: Solve for x
    x = 3,906,972,009,565.11/3,136,121.74
  6. Step 6: Final answer
    x = 1,245,797.30

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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.