Home / 5,478,661.12-8,219,112.52-1,883,961.20

Finding the Fourth Proportional to 5,478,661.12, 8,219,112.52 and 1,883,961.20

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Solution

The fourth proportional to 5,478,661.12, 8,219,112.52 and 1,883,961.20 is: 2,826,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,661.12 : 8,219,112.52 = 1,883,961.20 : x
  2. Step 2: Convert to fraction form
    5,478,661.12/8,219,112.52 = 1,883,961.20/x
  3. Step 3: Cross multiply
    5,478,661.12x = 8,219,112.52 × 1,883,961.20
  4. Step 4: Simplify right side
    5,478,661.12x = 15,484,489,101,952.10
  5. Step 5: Solve for x
    x = 15,484,489,101,952.10/5,478,661.12
  6. Step 6: Final answer
    x = 2,826,327.23

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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.