Home / 2,766,068.75-4,148,205.20-919,084.60

Finding the Fourth Proportional to 2,766,068.75, 4,148,205.20 and 919,084.60

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Solution

The fourth proportional to 2,766,068.75, 4,148,205.20 and 919,084.60 is: 1,378,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,068.75 : 4,148,205.20 = 919,084.60 : x
  2. Step 2: Convert to fraction form
    2,766,068.75/4,148,205.20 = 919,084.60/x
  3. Step 3: Cross multiply
    2,766,068.75x = 4,148,205.20 × 919,084.60
  4. Step 4: Simplify right side
    2,766,068.75x = 3,812,551,501,993.98
  5. Step 5: Solve for x
    x = 3,812,551,501,993.98/2,766,068.75
  6. Step 6: Final answer
    x = 1,378,328.54

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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.