Home / 2,918,694.89-4,378,140.75-788,797.46

Finding the Fourth Proportional to 2,918,694.89, 4,378,140.75 and 788,797.46

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Solution

The fourth proportional to 2,918,694.89, 4,378,140.75 and 788,797.46 is: 1,183,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,694.89 : 4,378,140.75 = 788,797.46 : x
  2. Step 2: Convert to fraction form
    2,918,694.89/4,378,140.75 = 788,797.46/x
  3. Step 3: Cross multiply
    2,918,694.89x = 4,378,140.75 × 788,797.46
  4. Step 4: Simplify right side
    2,918,694.89x = 3,453,466,281,231.79
  5. Step 5: Solve for x
    x = 3,453,466,281,231.79/2,918,694.89
  6. Step 6: Final answer
    x = 1,183,222.78

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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.