Home / 3,118,279.41-4,677,584.09-988,529.67

Finding the Fourth Proportional to 3,118,279.41, 4,677,584.09 and 988,529.67

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Solution

The fourth proportional to 3,118,279.41, 4,677,584.09 and 988,529.67 is: 1,482,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,279.41 : 4,677,584.09 = 988,529.67 : x
  2. Step 2: Convert to fraction form
    3,118,279.41/4,677,584.09 = 988,529.67/x
  3. Step 3: Cross multiply
    3,118,279.41x = 4,677,584.09 × 988,529.67
  4. Step 4: Simplify right side
    3,118,279.41x = 4,623,930,651,942.30
  5. Step 5: Solve for x
    x = 4,623,930,651,942.30/3,118,279.41
  6. Step 6: Final answer
    x = 1,482,846.80

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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.