Home / 6,378,644.20-8,803,275.90-3,625,745.80

Finding the Fourth Proportional to 6,378,644.20, 8,803,275.90 and 3,625,745.80

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Solution

The fourth proportional to 6,378,644.20, 8,803,275.90 and 3,625,745.80 is: 5,003,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,644.20 : 8,803,275.90 = 3,625,745.80 : x
  2. Step 2: Convert to fraction form
    6,378,644.20/8,803,275.90 = 3,625,745.80/x
  3. Step 3: Cross multiply
    6,378,644.20x = 8,803,275.90 × 3,625,745.80
  4. Step 4: Simplify right side
    6,378,644.20x = 31,918,440,620,666.22
  5. Step 5: Solve for x
    x = 31,918,440,620,666.22/6,378,644.20
  6. Step 6: Final answer
    x = 5,003,953.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.