Home / 2,859,840-4,290,350.76-838,150.20

Finding the Fourth Proportional to 2,859,840, 4,290,350.76 and 838,150.20

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Solution

The fourth proportional to 2,859,840, 4,290,350.76 and 838,150.20 is: 1,257,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,840 : 4,290,350.76 = 838,150.20 : x
  2. Step 2: Convert to fraction form
    2,859,840/4,290,350.76 = 838,150.20/x
  3. Step 3: Cross multiply
    2,859,840x = 4,290,350.76 × 838,150.20
  4. Step 4: Simplify right side
    2,859,840x = 3,595,958,347,564.15
  5. Step 5: Solve for x
    x = 3,595,958,347,564.15/2,859,840
  6. Step 6: Final answer
    x = 1,257,398.44

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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.