Home / 2,591,845.20-3,887,767.80-1,792,904.40

Finding the Fourth Proportional to 2,591,845.20, 3,887,767.80 and 1,792,904.40

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Solution

The fourth proportional to 2,591,845.20, 3,887,767.80 and 1,792,904.40 is: 2,689,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,845.20 : 3,887,767.80 = 1,792,904.40 : x
  2. Step 2: Convert to fraction form
    2,591,845.20/3,887,767.80 = 1,792,904.40/x
  3. Step 3: Cross multiply
    2,591,845.20x = 3,887,767.80 × 1,792,904.40
  4. Step 4: Simplify right side
    2,591,845.20x = 6,970,395,994,798.32
  5. Step 5: Solve for x
    x = 6,970,395,994,798.32/2,591,845.20
  6. Step 6: Final answer
    x = 2,689,356.60

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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.