Home / 3,416,518.37-5,128,323.53-1,980,008.44

Finding the Fourth Proportional to 3,416,518.37, 5,128,323.53 and 1,980,008.44

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Solution

The fourth proportional to 3,416,518.37, 5,128,323.53 and 1,980,008.44 is: 2,972,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,518.37 : 5,128,323.53 = 1,980,008.44 : x
  2. Step 2: Convert to fraction form
    3,416,518.37/5,128,323.53 = 1,980,008.44/x
  3. Step 3: Cross multiply
    3,416,518.37x = 5,128,323.53 × 1,980,008.44
  4. Step 4: Simplify right side
    3,416,518.37x = 10,154,123,849,729.74
  5. Step 5: Solve for x
    x = 10,154,123,849,729.74/3,416,518.37
  6. Step 6: Final answer
    x = 2,972,067.68

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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.