Home / 1,992,922.80-2,989,384.20-1,355,193.60

Finding the Fourth Proportional to 1,992,922.80, 2,989,384.20 and 1,355,193.60

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Solution

The fourth proportional to 1,992,922.80, 2,989,384.20 and 1,355,193.60 is: 2,032,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,922.80 : 2,989,384.20 = 1,355,193.60 : x
  2. Step 2: Convert to fraction form
    1,992,922.80/2,989,384.20 = 1,355,193.60/x
  3. Step 3: Cross multiply
    1,992,922.80x = 2,989,384.20 × 1,355,193.60
  4. Step 4: Simplify right side
    1,992,922.80x = 4,051,194,335,781.12
  5. Step 5: Solve for x
    x = 4,051,194,335,781.12/1,992,922.80
  6. Step 6: Final answer
    x = 2,032,790.40

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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.