Home / 2,900,905.62-4,352,145.75-879,067.86

Finding the Fourth Proportional to 2,900,905.62, 4,352,145.75 and 879,067.86

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Solution

The fourth proportional to 2,900,905.62, 4,352,145.75 and 879,067.86 is: 1,318,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,905.62 : 4,352,145.75 = 879,067.86 : x
  2. Step 2: Convert to fraction form
    2,900,905.62/4,352,145.75 = 879,067.86/x
  3. Step 3: Cross multiply
    2,900,905.62x = 4,352,145.75 × 879,067.86
  4. Step 4: Simplify right side
    2,900,905.62x = 3,825,831,450,860.60
  5. Step 5: Solve for x
    x = 3,825,831,450,860.60/2,900,905.62
  6. Step 6: Final answer
    x = 1,318,840.37

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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.