Home / 2,890,208.40-4,331,165.40-2,126,086.80

Finding the Fourth Proportional to 2,890,208.40, 4,331,165.40 and 2,126,086.80

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Solution

The fourth proportional to 2,890,208.40, 4,331,165.40 and 2,126,086.80 is: 3,186,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,208.40 : 4,331,165.40 = 2,126,086.80 : x
  2. Step 2: Convert to fraction form
    2,890,208.40/4,331,165.40 = 2,126,086.80/x
  3. Step 3: Cross multiply
    2,890,208.40x = 4,331,165.40 × 2,126,086.80
  4. Step 4: Simplify right side
    2,890,208.40x = 9,208,433,585,556.72
  5. Step 5: Solve for x
    x = 9,208,433,585,556.72/2,890,208.40
  6. Step 6: Final answer
    x = 3,186,079.45

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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.