Home / 2,131,051.30-2,940,168.45-1,519,303.66

Finding the Fourth Proportional to 2,131,051.30, 2,940,168.45 and 1,519,303.66

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Solution

The fourth proportional to 2,131,051.30, 2,940,168.45 and 1,519,303.66 is: 2,096,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,051.30 : 2,940,168.45 = 1,519,303.66 : x
  2. Step 2: Convert to fraction form
    2,131,051.30/2,940,168.45 = 1,519,303.66/x
  3. Step 3: Cross multiply
    2,131,051.30x = 2,940,168.45 × 1,519,303.66
  4. Step 4: Simplify right side
    2,131,051.30x = 4,467,008,687,101.53
  5. Step 5: Solve for x
    x = 4,467,008,687,101.53/2,131,051.30
  6. Step 6: Final answer
    x = 2,096,152.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.