Home / 2,923,331.40-4,389,662.70-2,130,179.40

Finding the Fourth Proportional to 2,923,331.40, 4,389,662.70 and 2,130,179.40

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Solution

The fourth proportional to 2,923,331.40, 4,389,662.70 and 2,130,179.40 is: 3,198,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923,331.40 : 4,389,662.70 = 2,130,179.40 : x
  2. Step 2: Convert to fraction form
    2,923,331.40/4,389,662.70 = 2,130,179.40/x
  3. Step 3: Cross multiply
    2,923,331.40x = 4,389,662.70 × 2,130,179.40
  4. Step 4: Simplify right side
    2,923,331.40x = 9,350,769,056,488.38
  5. Step 5: Solve for x
    x = 9,350,769,056,488.38/2,923,331.40
  6. Step 6: Final answer
    x = 3,198,668.84

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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.