Home / 4,388,432.58-6,580,282.05-1,990,969.07

Finding the Fourth Proportional to 4,388,432.58, 6,580,282.05 and 1,990,969.07

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Solution

The fourth proportional to 4,388,432.58, 6,580,282.05 and 1,990,969.07 is: 2,985,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,432.58 : 6,580,282.05 = 1,990,969.07 : x
  2. Step 2: Convert to fraction form
    4,388,432.58/6,580,282.05 = 1,990,969.07/x
  3. Step 3: Cross multiply
    4,388,432.58x = 6,580,282.05 × 1,990,969.07
  4. Step 4: Simplify right side
    4,388,432.58x = 13,101,138,000,524.78
  5. Step 5: Solve for x
    x = 13,101,138,000,524.78/4,388,432.58
  6. Step 6: Final answer
    x = 2,985,379.81

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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.