Home / 3,485,475-5,220,640.80-1,684,581.84

Finding the Fourth Proportional to 3,485,475, 5,220,640.80 and 1,684,581.84

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Solution

The fourth proportional to 3,485,475, 5,220,640.80 and 1,684,581.84 is: 2,523,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,475 : 5,220,640.80 = 1,684,581.84 : x
  2. Step 2: Convert to fraction form
    3,485,475/5,220,640.80 = 1,684,581.84/x
  3. Step 3: Cross multiply
    3,485,475x = 5,220,640.80 × 1,684,581.84
  4. Step 4: Simplify right side
    3,485,475x = 8,794,596,684,843.07
  5. Step 5: Solve for x
    x = 8,794,596,684,843.07/3,485,475
  6. Step 6: Final answer
    x = 2,523,213.24

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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.