Home / 2,912,380.59-4,370,539.20-1,019,138.43

Finding the Fourth Proportional to 2,912,380.59, 4,370,539.20 and 1,019,138.43

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Solution

The fourth proportional to 2,912,380.59, 4,370,539.20 and 1,019,138.43 is: 1,529,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,380.59 : 4,370,539.20 = 1,019,138.43 : x
  2. Step 2: Convert to fraction form
    2,912,380.59/4,370,539.20 = 1,019,138.43/x
  3. Step 3: Cross multiply
    2,912,380.59x = 4,370,539.20 × 1,019,138.43
  4. Step 4: Simplify right side
    2,912,380.59x = 4,454,184,458,541.46
  5. Step 5: Solve for x
    x = 4,454,184,458,541.46/2,912,380.59
  6. Step 6: Final answer
    x = 1,529,396.42

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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.