Home / 2,777,403.40-4,166,105.10-980,272.60

Finding the Fourth Proportional to 2,777,403.40, 4,166,105.10 and 980,272.60

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Solution

The fourth proportional to 2,777,403.40, 4,166,105.10 and 980,272.60 is: 1,470,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,403.40 : 4,166,105.10 = 980,272.60 : x
  2. Step 2: Convert to fraction form
    2,777,403.40/4,166,105.10 = 980,272.60/x
  3. Step 3: Cross multiply
    2,777,403.40x = 4,166,105.10 × 980,272.60
  4. Step 4: Simplify right side
    2,777,403.40x = 4,083,918,678,250.26
  5. Step 5: Solve for x
    x = 4,083,918,678,250.26/2,777,403.40
  6. Step 6: Final answer
    x = 1,470,408.90

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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.