Home / 5,275,322.18-7,911,876-1,487,919.32

Finding the Fourth Proportional to 5,275,322.18, 7,911,876 and 1,487,919.32

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Solution

The fourth proportional to 5,275,322.18, 7,911,876 and 1,487,919.32 is: 2,231,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,322.18 : 7,911,876 = 1,487,919.32 : x
  2. Step 2: Convert to fraction form
    5,275,322.18/7,911,876 = 1,487,919.32/x
  3. Step 3: Cross multiply
    5,275,322.18x = 7,911,876 × 1,487,919.32
  4. Step 4: Simplify right side
    5,275,322.18x = 11,772,233,157,844.32
  5. Step 5: Solve for x
    x = 11,772,233,157,844.32/5,275,322.18
  6. Step 6: Final answer
    x = 2,231,566.67

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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.