Home / 1,984,190.20-2,738,168.88-1,078,772.20

Finding the Fourth Proportional to 1,984,190.20, 2,738,168.88 and 1,078,772.20

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Solution

The fourth proportional to 1,984,190.20, 2,738,168.88 and 1,078,772.20 is: 1,488,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,190.20 : 2,738,168.88 = 1,078,772.20 : x
  2. Step 2: Convert to fraction form
    1,984,190.20/2,738,168.88 = 1,078,772.20/x
  3. Step 3: Cross multiply
    1,984,190.20x = 2,738,168.88 × 1,078,772.20
  4. Step 4: Simplify right side
    1,984,190.20x = 2,953,860,466,649.14
  5. Step 5: Solve for x
    x = 2,953,860,466,649.14/1,984,190.20
  6. Step 6: Final answer
    x = 1,488,698.24

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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.