Home / 2,990,975.80-4,486,463.70-996,431.80

Finding the Fourth Proportional to 2,990,975.80, 4,486,463.70 and 996,431.80

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Solution

The fourth proportional to 2,990,975.80, 4,486,463.70 and 996,431.80 is: 1,494,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,975.80 : 4,486,463.70 = 996,431.80 : x
  2. Step 2: Convert to fraction form
    2,990,975.80/4,486,463.70 = 996,431.80/x
  3. Step 3: Cross multiply
    2,990,975.80x = 4,486,463.70 × 996,431.80
  4. Step 4: Simplify right side
    2,990,975.80x = 4,470,455,100,225.66
  5. Step 5: Solve for x
    x = 4,470,455,100,225.66/2,990,975.80
  6. Step 6: Final answer
    x = 1,494,647.70

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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.