Home / 5,275,322.20-7,911,876-1,487,919.34

Finding the Fourth Proportional to 5,275,322.20, 7,911,876 and 1,487,919.34

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Solution

The fourth proportional to 5,275,322.20, 7,911,876 and 1,487,919.34 is: 2,231,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,322.20 : 7,911,876 = 1,487,919.34 : x
  2. Step 2: Convert to fraction form
    5,275,322.20/7,911,876 = 1,487,919.34/x
  3. Step 3: Cross multiply
    5,275,322.20x = 7,911,876 × 1,487,919.34
  4. Step 4: Simplify right side
    5,275,322.20x = 11,772,233,316,081.84
  5. Step 5: Solve for x
    x = 11,772,233,316,081.84/5,275,322.20
  6. Step 6: Final answer
    x = 2,231,566.69

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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.