Home / 2,814,816.42-4,216,237.45-1,660,819.28

Finding the Fourth Proportional to 2,814,816.42, 4,216,237.45 and 1,660,819.28

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Solution

The fourth proportional to 2,814,816.42, 4,216,237.45 and 1,660,819.28 is: 2,487,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,816.42 : 4,216,237.45 = 1,660,819.28 : x
  2. Step 2: Convert to fraction form
    2,814,816.42/4,216,237.45 = 1,660,819.28/x
  3. Step 3: Cross multiply
    2,814,816.42x = 4,216,237.45 × 1,660,819.28
  4. Step 4: Simplify right side
    2,814,816.42x = 7,002,408,420,784.80
  5. Step 5: Solve for x
    x = 7,002,408,420,784.80/2,814,816.42
  6. Step 6: Final answer
    x = 2,487,696.31

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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.