Home / 2,310,808.02-3,188,855.40-1,278,288.90

Finding the Fourth Proportional to 2,310,808.02, 3,188,855.40 and 1,278,288.90

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Solution

The fourth proportional to 2,310,808.02, 3,188,855.40 and 1,278,288.90 is: 1,764,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,808.02 : 3,188,855.40 = 1,278,288.90 : x
  2. Step 2: Convert to fraction form
    2,310,808.02/3,188,855.40 = 1,278,288.90/x
  3. Step 3: Cross multiply
    2,310,808.02x = 3,188,855.40 × 1,278,288.90
  4. Step 4: Simplify right side
    2,310,808.02x = 4,076,278,461,525.06
  5. Step 5: Solve for x
    x = 4,076,278,461,525.06/2,310,808.02
  6. Step 6: Final answer
    x = 1,764,005.68

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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.