Home / 2,907,994.88-4,361,658.60-778,245.14

Finding the Fourth Proportional to 2,907,994.88, 4,361,658.60 and 778,245.14

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Solution

The fourth proportional to 2,907,994.88, 4,361,658.60 and 778,245.14 is: 1,167,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,994.88 : 4,361,658.60 = 778,245.14 : x
  2. Step 2: Convert to fraction form
    2,907,994.88/4,361,658.60 = 778,245.14/x
  3. Step 3: Cross multiply
    2,907,994.88x = 4,361,658.60 × 778,245.14
  4. Step 4: Simplify right side
    2,907,994.88x = 3,394,439,607,789.20
  5. Step 5: Solve for x
    x = 3,394,439,607,789.20/2,907,994.88
  6. Step 6: Final answer
    x = 1,167,278.40

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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.