Home / 5,439,205.53-7,505,946.95-2,991,816.45

Finding the Fourth Proportional to 5,439,205.53, 7,505,946.95 and 2,991,816.45

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Solution

The fourth proportional to 5,439,205.53, 7,505,946.95 and 2,991,816.45 is: 4,128,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,205.53 : 7,505,946.95 = 2,991,816.45 : x
  2. Step 2: Convert to fraction form
    5,439,205.53/7,505,946.95 = 2,991,816.45/x
  3. Step 3: Cross multiply
    5,439,205.53x = 7,505,946.95 × 2,991,816.45
  4. Step 4: Simplify right side
    5,439,205.53x = 22,456,415,542,878.25
  5. Step 5: Solve for x
    x = 22,456,415,542,878.25/5,439,205.53
  6. Step 6: Final answer
    x = 4,128,620.52

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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.