Home / 6,390,623.40-9,591,378.30-2,606,821.80

Finding the Fourth Proportional to 6,390,623.40, 9,591,378.30 and 2,606,821.80

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Solution

The fourth proportional to 6,390,623.40, 9,591,378.30 and 2,606,821.80 is: 3,912,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,623.40 : 9,591,378.30 = 2,606,821.80 : x
  2. Step 2: Convert to fraction form
    6,390,623.40/9,591,378.30 = 2,606,821.80/x
  3. Step 3: Cross multiply
    6,390,623.40x = 9,591,378.30 × 2,606,821.80
  4. Step 4: Simplify right side
    6,390,623.40x = 25,003,014,044,486.94
  5. Step 5: Solve for x
    x = 25,003,014,044,486.94/6,390,623.40
  6. Step 6: Final answer
    x = 3,912,453.05

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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.