Home / 5,181,844.32-7,150,956.48-2,890,152.36

Finding the Fourth Proportional to 5,181,844.32, 7,150,956.48 and 2,890,152.36

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Solution

The fourth proportional to 5,181,844.32, 7,150,956.48 and 2,890,152.36 is: 3,988,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,844.32 : 7,150,956.48 = 2,890,152.36 : x
  2. Step 2: Convert to fraction form
    5,181,844.32/7,150,956.48 = 2,890,152.36/x
  3. Step 3: Cross multiply
    5,181,844.32x = 7,150,956.48 × 2,890,152.36
  4. Step 4: Simplify right side
    5,181,844.32x = 20,667,353,746,929.29
  5. Step 5: Solve for x
    x = 20,667,353,746,929.29/5,181,844.32
  6. Step 6: Final answer
    x = 3,988,416.57

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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.