Home / 1,822,997.67-2,515,763.21-1,007,220.15

Finding the Fourth Proportional to 1,822,997.67, 2,515,763.21 and 1,007,220.15

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Solution

The fourth proportional to 1,822,997.67, 2,515,763.21 and 1,007,220.15 is: 1,389,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,997.67 : 2,515,763.21 = 1,007,220.15 : x
  2. Step 2: Convert to fraction form
    1,822,997.67/2,515,763.21 = 1,007,220.15/x
  3. Step 3: Cross multiply
    1,822,997.67x = 2,515,763.21 × 1,007,220.15
  4. Step 4: Simplify right side
    1,822,997.67x = 2,533,927,392,704.58
  5. Step 5: Solve for x
    x = 2,533,927,392,704.58/1,822,997.67
  6. Step 6: Final answer
    x = 1,389,978.40

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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.