Home / 2,819,810.40-4,229,715.60-2,512,755.60

Finding the Fourth Proportional to 2,819,810.40, 4,229,715.60 and 2,512,755.60

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Solution

The fourth proportional to 2,819,810.40, 4,229,715.60 and 2,512,755.60 is: 3,769,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,810.40 : 4,229,715.60 = 2,512,755.60 : x
  2. Step 2: Convert to fraction form
    2,819,810.40/4,229,715.60 = 2,512,755.60/x
  3. Step 3: Cross multiply
    2,819,810.40x = 4,229,715.60 × 2,512,755.60
  4. Step 4: Simplify right side
    2,819,810.40x = 10,628,241,560,307.36
  5. Step 5: Solve for x
    x = 10,628,241,560,307.36/2,819,810.40
  6. Step 6: Final answer
    x = 3,769,133.40

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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.