Home / 2,810,636.70-4,215,323.85-1,292,861.75

Finding the Fourth Proportional to 2,810,636.70, 4,215,323.85 and 1,292,861.75

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Solution

The fourth proportional to 2,810,636.70, 4,215,323.85 and 1,292,861.75 is: 1,939,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,636.70 : 4,215,323.85 = 1,292,861.75 : x
  2. Step 2: Convert to fraction form
    2,810,636.70/4,215,323.85 = 1,292,861.75/x
  3. Step 3: Cross multiply
    2,810,636.70x = 4,215,323.85 × 1,292,861.75
  4. Step 4: Simplify right side
    2,810,636.70x = 5,449,830,948,451.12
  5. Step 5: Solve for x
    x = 5,449,830,948,451.12/2,810,636.70
  6. Step 6: Final answer
    x = 1,939,002.27

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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.