Home / 2,815,294.63-4,223,274.09-2,109,806.70

Finding the Fourth Proportional to 2,815,294.63, 4,223,274.09 and 2,109,806.70

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Solution

The fourth proportional to 2,815,294.63, 4,223,274.09 and 2,109,806.70 is: 3,164,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,294.63 : 4,223,274.09 = 2,109,806.70 : x
  2. Step 2: Convert to fraction form
    2,815,294.63/4,223,274.09 = 2,109,806.70/x
  3. Step 3: Cross multiply
    2,815,294.63x = 4,223,274.09 × 2,109,806.70
  4. Step 4: Simplify right side
    2,815,294.63x = 8,910,291,971,018.40
  5. Step 5: Solve for x
    x = 8,910,291,971,018.40/2,815,294.63
  6. Step 6: Final answer
    x = 3,164,958.97

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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.