Home / 2,907,628.40-4,361,442.60-1,786,329.20

Finding the Fourth Proportional to 2,907,628.40, 4,361,442.60 and 1,786,329.20

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Solution

The fourth proportional to 2,907,628.40, 4,361,442.60 and 1,786,329.20 is: 2,679,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,628.40 : 4,361,442.60 = 1,786,329.20 : x
  2. Step 2: Convert to fraction form
    2,907,628.40/4,361,442.60 = 1,786,329.20/x
  3. Step 3: Cross multiply
    2,907,628.40x = 4,361,442.60 × 1,786,329.20
  4. Step 4: Simplify right side
    2,907,628.40x = 7,790,972,270,503.92
  5. Step 5: Solve for x
    x = 7,790,972,270,503.92/2,907,628.40
  6. Step 6: Final answer
    x = 2,679,493.80

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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.