Home / 3,480,559.42-5,220,980.78-1,657,987.54

Finding the Fourth Proportional to 3,480,559.42, 5,220,980.78 and 1,657,987.54

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Solution

The fourth proportional to 3,480,559.42, 5,220,980.78 and 1,657,987.54 is: 2,487,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,559.42 : 5,220,980.78 = 1,657,987.54 : x
  2. Step 2: Convert to fraction form
    3,480,559.42/5,220,980.78 = 1,657,987.54/x
  3. Step 3: Cross multiply
    3,480,559.42x = 5,220,980.78 × 1,657,987.54
  4. Step 4: Simplify right side
    3,480,559.42x = 8,656,321,079,819.48
  5. Step 5: Solve for x
    x = 8,656,321,079,819.48/3,480,559.42
  6. Step 6: Final answer
    x = 2,487,048.79

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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.