Home / 2,485,360.59-3,728,003.42-1,118,168.78

Finding the Fourth Proportional to 2,485,360.59, 3,728,003.42 and 1,118,168.78

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Solution

The fourth proportional to 2,485,360.59, 3,728,003.42 and 1,118,168.78 is: 1,677,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,360.59 : 3,728,003.42 = 1,118,168.78 : x
  2. Step 2: Convert to fraction form
    2,485,360.59/3,728,003.42 = 1,118,168.78/x
  3. Step 3: Cross multiply
    2,485,360.59x = 3,728,003.42 × 1,118,168.78
  4. Step 4: Simplify right side
    2,485,360.59x = 4,168,537,020,132.63
  5. Step 5: Solve for x
    x = 4,168,537,020,132.63/2,485,360.59
  6. Step 6: Final answer
    x = 1,677,236.31

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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.