Home / 6,477,060.20-9,721,811.10-3,285,789.80

Finding the Fourth Proportional to 6,477,060.20, 9,721,811.10 and 3,285,789.80

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Solution

The fourth proportional to 6,477,060.20, 9,721,811.10 and 3,285,789.80 is: 4,931,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,060.20 : 9,721,811.10 = 3,285,789.80 : x
  2. Step 2: Convert to fraction form
    6,477,060.20/9,721,811.10 = 3,285,789.80/x
  3. Step 3: Cross multiply
    6,477,060.20x = 9,721,811.10 × 3,285,789.80
  4. Step 4: Simplify right side
    6,477,060.20x = 31,943,827,749,906.78
  5. Step 5: Solve for x
    x = 31,943,827,749,906.78/6,477,060.20
  6. Step 6: Final answer
    x = 4,931,840.49

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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.