Home / 2,988,331.40-4,123,878.26-1,699,171.80

Finding the Fourth Proportional to 2,988,331.40, 4,123,878.26 and 1,699,171.80

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Solution

The fourth proportional to 2,988,331.40, 4,123,878.26 and 1,699,171.80 is: 2,344,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,331.40 : 4,123,878.26 = 1,699,171.80 : x
  2. Step 2: Convert to fraction form
    2,988,331.40/4,123,878.26 = 1,699,171.80/x
  3. Step 3: Cross multiply
    2,988,331.40x = 4,123,878.26 × 1,699,171.80
  4. Step 4: Simplify right side
    2,988,331.40x = 7,007,177,646,025.07
  5. Step 5: Solve for x
    x = 7,007,177,646,025.07/2,988,331.40
  6. Step 6: Final answer
    x = 2,344,846.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.