Home / 2,100,811.60-3,143,959.80-1,259,966.80

Finding the Fourth Proportional to 2,100,811.60, 3,143,959.80 and 1,259,966.80

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Solution

The fourth proportional to 2,100,811.60, 3,143,959.80 and 1,259,966.80 is: 1,885,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,811.60 : 3,143,959.80 = 1,259,966.80 : x
  2. Step 2: Convert to fraction form
    2,100,811.60/3,143,959.80 = 1,259,966.80/x
  3. Step 3: Cross multiply
    2,100,811.60x = 3,143,959.80 × 1,259,966.80
  4. Step 4: Simplify right side
    2,100,811.60x = 3,961,284,968,534.64
  5. Step 5: Solve for x
    x = 3,961,284,968,534.64/2,100,811.60
  6. Step 6: Final answer
    x = 1,885,597.44

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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.