Home / 5,215,966.64-7,197,926.72-2,892,484.23

Finding the Fourth Proportional to 5,215,966.64, 7,197,926.72 and 2,892,484.23

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Solution

The fourth proportional to 5,215,966.64, 7,197,926.72 and 2,892,484.23 is: 3,991,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,966.64 : 7,197,926.72 = 2,892,484.23 : x
  2. Step 2: Convert to fraction form
    5,215,966.64/7,197,926.72 = 2,892,484.23/x
  3. Step 3: Cross multiply
    5,215,966.64x = 7,197,926.72 × 2,892,484.23
  4. Step 4: Simplify right side
    5,215,966.64x = 20,819,889,526,295.62
  5. Step 5: Solve for x
    x = 20,819,889,526,295.62/5,215,966.64
  6. Step 6: Final answer
    x = 3,991,568.77

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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.