Home / 2,631,967.20-3,947,950.80-2,002,111.20

Finding the Fourth Proportional to 2,631,967.20, 3,947,950.80 and 2,002,111.20

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Solution

The fourth proportional to 2,631,967.20, 3,947,950.80 and 2,002,111.20 is: 3,003,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,967.20 : 3,947,950.80 = 2,002,111.20 : x
  2. Step 2: Convert to fraction form
    2,631,967.20/3,947,950.80 = 2,002,111.20/x
  3. Step 3: Cross multiply
    2,631,967.20x = 3,947,950.80 × 2,002,111.20
  4. Step 4: Simplify right side
    2,631,967.20x = 7,904,236,513,728.96
  5. Step 5: Solve for x
    x = 7,904,236,513,728.96/2,631,967.20
  6. Step 6: Final answer
    x = 3,003,166.80

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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.