Home / 3,121,982.80-4,683,103.80-992,006.80

Finding the Fourth Proportional to 3,121,982.80, 4,683,103.80 and 992,006.80

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Solution

The fourth proportional to 3,121,982.80, 4,683,103.80 and 992,006.80 is: 1,488,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,982.80 : 4,683,103.80 = 992,006.80 : x
  2. Step 2: Convert to fraction form
    3,121,982.80/4,683,103.80 = 992,006.80/x
  3. Step 3: Cross multiply
    3,121,982.80x = 4,683,103.80 × 992,006.80
  4. Step 4: Simplify right side
    3,121,982.80x = 4,645,670,814,705.84
  5. Step 5: Solve for x
    x = 4,645,670,814,705.84/3,121,982.80
  6. Step 6: Final answer
    x = 1,488,051.38

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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.