Home / 2,811,922.40-4,217,883.60-2,059,896.80

Finding the Fourth Proportional to 2,811,922.40, 4,217,883.60 and 2,059,896.80

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Solution

The fourth proportional to 2,811,922.40, 4,217,883.60 and 2,059,896.80 is: 3,089,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,922.40 : 4,217,883.60 = 2,059,896.80 : x
  2. Step 2: Convert to fraction form
    2,811,922.40/4,217,883.60 = 2,059,896.80/x
  3. Step 3: Cross multiply
    2,811,922.40x = 4,217,883.60 × 2,059,896.80
  4. Step 4: Simplify right side
    2,811,922.40x = 8,688,404,930,412.48
  5. Step 5: Solve for x
    x = 8,688,404,930,412.48/2,811,922.40
  6. Step 6: Final answer
    x = 3,089,845.20

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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.