Home / 2,621,010.45-3,929,910.16-1,021,705.14

Finding the Fourth Proportional to 2,621,010.45, 3,929,910.16 and 1,021,705.14

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Solution

The fourth proportional to 2,621,010.45, 3,929,910.16 and 1,021,705.14 is: 1,531,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,010.45 : 3,929,910.16 = 1,021,705.14 : x
  2. Step 2: Convert to fraction form
    2,621,010.45/3,929,910.16 = 1,021,705.14/x
  3. Step 3: Cross multiply
    2,621,010.45x = 3,929,910.16 × 1,021,705.14
  4. Step 4: Simplify right side
    2,621,010.45x = 4,015,209,405,101.70
  5. Step 5: Solve for x
    x = 4,015,209,405,101.70/2,621,010.45
  6. Step 6: Final answer
    x = 1,531,931.86

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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.