Home / 2,166,649.70-2,990,942.21-1,432,046.42

Finding the Fourth Proportional to 2,166,649.70, 2,990,942.21 and 1,432,046.42

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Solution

The fourth proportional to 2,166,649.70, 2,990,942.21 and 1,432,046.42 is: 1,976,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,649.70 : 2,990,942.21 = 1,432,046.42 : x
  2. Step 2: Convert to fraction form
    2,166,649.70/2,990,942.21 = 1,432,046.42/x
  3. Step 3: Cross multiply
    2,166,649.70x = 2,990,942.21 × 1,432,046.42
  4. Step 4: Simplify right side
    2,166,649.70x = 4,283,168,084,098.83
  5. Step 5: Solve for x
    x = 4,283,168,084,098.83/2,166,649.70
  6. Step 6: Final answer
    x = 1,976,862.29

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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.