Home / 3,990,001.80-5,985,780.30-1,715,521.80

Finding the Fourth Proportional to 3,990,001.80, 5,985,780.30 and 1,715,521.80

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Solution

The fourth proportional to 3,990,001.80, 5,985,780.30 and 1,715,521.80 is: 2,573,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,001.80 : 5,985,780.30 = 1,715,521.80 : x
  2. Step 2: Convert to fraction form
    3,990,001.80/5,985,780.30 = 1,715,521.80/x
  3. Step 3: Cross multiply
    3,990,001.80x = 5,985,780.30 × 1,715,521.80
  4. Step 4: Simplify right side
    3,990,001.80x = 10,268,736,594,660.54
  5. Step 5: Solve for x
    x = 10,268,736,594,660.54/3,990,001.80
  6. Step 6: Final answer
    x = 2,573,617.03

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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.