Home / 3,115,492.80-4,673,676.60-985,354.80

Finding the Fourth Proportional to 3,115,492.80, 4,673,676.60 and 985,354.80

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Solution

The fourth proportional to 3,115,492.80, 4,673,676.60 and 985,354.80 is: 1,478,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,492.80 : 4,673,676.60 = 985,354.80 : x
  2. Step 2: Convert to fraction form
    3,115,492.80/4,673,676.60 = 985,354.80/x
  3. Step 3: Cross multiply
    3,115,492.80x = 4,673,676.60 × 985,354.80
  4. Step 4: Simplify right side
    3,115,492.80x = 4,605,229,671,457.68
  5. Step 5: Solve for x
    x = 4,605,229,671,457.68/3,115,492.80
  6. Step 6: Final answer
    x = 1,478,170.54

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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.