Home / 2,485,451.90-3,728,139.78-1,118,259.92

Finding the Fourth Proportional to 2,485,451.90, 3,728,139.78 and 1,118,259.92

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Solution

The fourth proportional to 2,485,451.90, 3,728,139.78 and 1,118,259.92 is: 1,677,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,451.90 : 3,728,139.78 = 1,118,259.92 : x
  2. Step 2: Convert to fraction form
    2,485,451.90/3,728,139.78 = 1,118,259.92/x
  3. Step 3: Cross multiply
    2,485,451.90x = 3,728,139.78 × 1,118,259.92
  4. Step 4: Simplify right side
    2,485,451.90x = 4,169,029,292,131.62
  5. Step 5: Solve for x
    x = 4,169,029,292,131.62/2,485,451.90
  6. Step 6: Final answer
    x = 1,677,372.75

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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.