Home / 2,768,405.90-4,152,608.85-1,170,437.90

Finding the Fourth Proportional to 2,768,405.90, 4,152,608.85 and 1,170,437.90

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Solution

The fourth proportional to 2,768,405.90, 4,152,608.85 and 1,170,437.90 is: 1,755,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,405.90 : 4,152,608.85 = 1,170,437.90 : x
  2. Step 2: Convert to fraction form
    2,768,405.90/4,152,608.85 = 1,170,437.90/x
  3. Step 3: Cross multiply
    2,768,405.90x = 4,152,608.85 × 1,170,437.90
  4. Step 4: Simplify right side
    2,768,405.90x = 4,860,370,781,915.42
  5. Step 5: Solve for x
    x = 4,860,370,781,915.42/2,768,405.90
  6. Step 6: Final answer
    x = 1,755,656.85

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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.