Home / 3,349,132.80-4,620,178.24-1,990,043.52

Finding the Fourth Proportional to 3,349,132.80, 4,620,178.24 and 1,990,043.52

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Solution

The fourth proportional to 3,349,132.80, 4,620,178.24 and 1,990,043.52 is: 2,745,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,132.80 : 4,620,178.24 = 1,990,043.52 : x
  2. Step 2: Convert to fraction form
    3,349,132.80/4,620,178.24 = 1,990,043.52/x
  3. Step 3: Cross multiply
    3,349,132.80x = 4,620,178.24 × 1,990,043.52
  4. Step 4: Simplify right side
    3,349,132.80x = 9,194,355,767,757.01
  5. Step 5: Solve for x
    x = 9,194,355,767,757.01/3,349,132.80
  6. Step 6: Final answer
    x = 2,745,294.47

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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.