Home / 2,193,307.60-3,289,961.40-1,555,578.40

Finding the Fourth Proportional to 2,193,307.60, 3,289,961.40 and 1,555,578.40

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Solution

The fourth proportional to 2,193,307.60, 3,289,961.40 and 1,555,578.40 is: 2,333,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,307.60 : 3,289,961.40 = 1,555,578.40 : x
  2. Step 2: Convert to fraction form
    2,193,307.60/3,289,961.40 = 1,555,578.40/x
  3. Step 3: Cross multiply
    2,193,307.60x = 3,289,961.40 × 1,555,578.40
  4. Step 4: Simplify right side
    2,193,307.60x = 5,117,792,890,673.76
  5. Step 5: Solve for x
    x = 5,117,792,890,673.76/2,193,307.60
  6. Step 6: Final answer
    x = 2,333,367.60

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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.