Home / 5,453,085.20-8,179,627.80-3,860,560.40

Finding the Fourth Proportional to 5,453,085.20, 8,179,627.80 and 3,860,560.40

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Solution

The fourth proportional to 5,453,085.20, 8,179,627.80 and 3,860,560.40 is: 5,790,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,085.20 : 8,179,627.80 = 3,860,560.40 : x
  2. Step 2: Convert to fraction form
    5,453,085.20/8,179,627.80 = 3,860,560.40/x
  3. Step 3: Cross multiply
    5,453,085.20x = 8,179,627.80 × 3,860,560.40
  4. Step 4: Simplify right side
    5,453,085.20x = 31,577,947,171,419.12
  5. Step 5: Solve for x
    x = 31,577,947,171,419.12/5,453,085.20
  6. Step 6: Final answer
    x = 5,790,840.60

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1.5x scale

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.