Home / 2,111,998.80-3,167,998.20-1,047,205.20

Finding the Fourth Proportional to 2,111,998.80, 3,167,998.20 and 1,047,205.20

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Solution

The fourth proportional to 2,111,998.80, 3,167,998.20 and 1,047,205.20 is: 1,570,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,998.80 : 3,167,998.20 = 1,047,205.20 : x
  2. Step 2: Convert to fraction form
    2,111,998.80/3,167,998.20 = 1,047,205.20/x
  3. Step 3: Cross multiply
    2,111,998.80x = 3,167,998.20 × 1,047,205.20
  4. Step 4: Simplify right side
    2,111,998.80x = 3,317,544,188,630.64
  5. Step 5: Solve for x
    x = 3,317,544,188,630.64/2,111,998.80
  6. Step 6: Final answer
    x = 1,570,807.80

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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.