Home / 2,182,792.11-2,990,438.80-2,100,975.43

Finding the Fourth Proportional to 2,182,792.11, 2,990,438.80 and 2,100,975.43

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Solution

The fourth proportional to 2,182,792.11, 2,990,438.80 and 2,100,975.43 is: 2,878,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,792.11 : 2,990,438.80 = 2,100,975.43 : x
  2. Step 2: Convert to fraction form
    2,182,792.11/2,990,438.80 = 2,100,975.43/x
  3. Step 3: Cross multiply
    2,182,792.11x = 2,990,438.80 × 2,100,975.43
  4. Step 4: Simplify right side
    2,182,792.11x = 6,282,838,443,718.69
  5. Step 5: Solve for x
    x = 6,282,838,443,718.69/2,182,792.11
  6. Step 6: Final answer
    x = 2,878,349.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.