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Finding the Fourth Proportional to 8,294,632, 12,441,948 and 1,990,888

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Solution

The fourth proportional to 8,294,632, 12,441,948 and 1,990,888 is: 2,986,332

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294,632 : 12,441,948 = 1,990,888 : x
  2. Step 2: Convert to fraction form
    8,294,632/12,441,948 = 1,990,888/x
  3. Step 3: Cross multiply
    8,294,632x = 12,441,948 × 1,990,888
  4. Step 4: Simplify right side
    8,294,632x = 24,770,524,969,824
  5. Step 5: Solve for x
    x = 24,770,524,969,824/8,294,632
  6. Step 6: Final answer
    x = 2,986,332

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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.