Home / 1,962,893.80-2,944,340.70-1,121,530.60

Finding the Fourth Proportional to 1,962,893.80, 2,944,340.70 and 1,121,530.60

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Solution

The fourth proportional to 1,962,893.80, 2,944,340.70 and 1,121,530.60 is: 1,682,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,893.80 : 2,944,340.70 = 1,121,530.60 : x
  2. Step 2: Convert to fraction form
    1,962,893.80/2,944,340.70 = 1,121,530.60/x
  3. Step 3: Cross multiply
    1,962,893.80x = 2,944,340.70 × 1,121,530.60
  4. Step 4: Simplify right side
    1,962,893.80x = 3,302,168,191,875.42
  5. Step 5: Solve for x
    x = 3,302,168,191,875.42/1,962,893.80
  6. Step 6: Final answer
    x = 1,682,295.90

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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.