Home / 5,380,343.81-8,069,683.80-1,967,832.39

Finding the Fourth Proportional to 5,380,343.81, 8,069,683.80 and 1,967,832.39

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Solution

The fourth proportional to 5,380,343.81, 8,069,683.80 and 1,967,832.39 is: 2,951,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,343.81 : 8,069,683.80 = 1,967,832.39 : x
  2. Step 2: Convert to fraction form
    5,380,343.81/8,069,683.80 = 1,967,832.39/x
  3. Step 3: Cross multiply
    5,380,343.81x = 8,069,683.80 × 1,967,832.39
  4. Step 4: Simplify right side
    5,380,343.81x = 15,879,785,158,698.28
  5. Step 5: Solve for x
    x = 15,879,785,158,698.28/5,380,343.81
  6. Step 6: Final answer
    x = 2,951,444.32

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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.