Home / 5,155,343.88-7,112,773.32-2,979,094.20

Finding the Fourth Proportional to 5,155,343.88, 7,112,773.32 and 2,979,094.20

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Solution

The fourth proportional to 5,155,343.88, 7,112,773.32 and 2,979,094.20 is: 4,110,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,343.88 : 7,112,773.32 = 2,979,094.20 : x
  2. Step 2: Convert to fraction form
    5,155,343.88/7,112,773.32 = 2,979,094.20/x
  3. Step 3: Cross multiply
    5,155,343.88x = 7,112,773.32 × 2,979,094.20
  4. Step 4: Simplify right side
    5,155,343.88x = 21,189,621,743,526.75
  5. Step 5: Solve for x
    x = 21,189,621,743,526.75/5,155,343.88
  6. Step 6: Final answer
    x = 4,110,224.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.