Home / 6,590,191.28-9,883,378.19-1,978,991.42

Finding the Fourth Proportional to 6,590,191.28, 9,883,378.19 and 1,978,991.42

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Solution

The fourth proportional to 6,590,191.28, 9,883,378.19 and 1,978,991.42 is: 2,967,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,191.28 : 9,883,378.19 = 1,978,991.42 : x
  2. Step 2: Convert to fraction form
    6,590,191.28/9,883,378.19 = 1,978,991.42/x
  3. Step 3: Cross multiply
    6,590,191.28x = 9,883,378.19 × 1,978,991.42
  4. Step 4: Simplify right side
    6,590,191.28x = 19,559,120,594,155.72
  5. Step 5: Solve for x
    x = 19,559,120,594,155.72/6,590,191.28
  6. Step 6: Final answer
    x = 2,967,913.95

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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.