Home / 2,126,999.70-3,190,499.55-529,550.10

Finding the Fourth Proportional to 2,126,999.70, 3,190,499.55 and 529,550.10

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Solution

The fourth proportional to 2,126,999.70, 3,190,499.55 and 529,550.10 is: 794,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,999.70 : 3,190,499.55 = 529,550.10 : x
  2. Step 2: Convert to fraction form
    2,126,999.70/3,190,499.55 = 529,550.10/x
  3. Step 3: Cross multiply
    2,126,999.70x = 3,190,499.55 × 529,550.10
  4. Step 4: Simplify right side
    2,126,999.70x = 1,689,529,355,752.45
  5. Step 5: Solve for x
    x = 1,689,529,355,752.45/2,126,999.70
  6. Step 6: Final answer
    x = 794,325.15

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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.