Home / 6,456,521.71-8,910,402.86-3,555,911.81

Finding the Fourth Proportional to 6,456,521.71, 8,910,402.86 and 3,555,911.81

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Solution

The fourth proportional to 6,456,521.71, 8,910,402.86 and 3,555,911.81 is: 4,907,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,521.71 : 8,910,402.86 = 3,555,911.81 : x
  2. Step 2: Convert to fraction form
    6,456,521.71/8,910,402.86 = 3,555,911.81/x
  3. Step 3: Cross multiply
    6,456,521.71x = 8,910,402.86 × 3,555,911.81
  4. Step 4: Simplify right side
    6,456,521.71x = 31,684,606,806,692.30
  5. Step 5: Solve for x
    x = 31,684,606,806,692.30/6,456,521.71
  6. Step 6: Final answer
    x = 4,907,380.20

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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.