Home / 3,121,998.80-4,683,127.80-992,022.80

Finding the Fourth Proportional to 3,121,998.80, 4,683,127.80 and 992,022.80

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Solution

The fourth proportional to 3,121,998.80, 4,683,127.80 and 992,022.80 is: 1,488,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,998.80 : 4,683,127.80 = 992,022.80 : x
  2. Step 2: Convert to fraction form
    3,121,998.80/4,683,127.80 = 992,022.80/x
  3. Step 3: Cross multiply
    3,121,998.80x = 4,683,127.80 × 992,022.80
  4. Step 4: Simplify right side
    3,121,998.80x = 4,645,769,552,913.84
  5. Step 5: Solve for x
    x = 4,645,769,552,913.84/3,121,998.80
  6. Step 6: Final answer
    x = 1,488,075.38

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1.5x scale

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.