Home / 3,015,217.80-4,521,853.44-992,980.80

Finding the Fourth Proportional to 3,015,217.80, 4,521,853.44 and 992,980.80

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Solution

The fourth proportional to 3,015,217.80, 4,521,853.44 and 992,980.80 is: 1,489,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,217.80 : 4,521,853.44 = 992,980.80 : x
  2. Step 2: Convert to fraction form
    3,015,217.80/4,521,853.44 = 992,980.80/x
  3. Step 3: Cross multiply
    3,015,217.80x = 4,521,853.44 × 992,980.80
  4. Step 4: Simplify right side
    3,015,217.80x = 4,490,113,646,333.95
  5. Step 5: Solve for x
    x = 4,490,113,646,333.95/3,015,217.80
  6. Step 6: Final answer
    x = 1,489,150.68

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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.