Home / 5,190,992.72-7,162,529.64-2,898,800.72

Finding the Fourth Proportional to 5,190,992.72, 7,162,529.64 and 2,898,800.72

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Solution

The fourth proportional to 5,190,992.72, 7,162,529.64 and 2,898,800.72 is: 3,999,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,992.72 : 7,162,529.64 = 2,898,800.72 : x
  2. Step 2: Convert to fraction form
    5,190,992.72/7,162,529.64 = 2,898,800.72/x
  3. Step 3: Cross multiply
    5,190,992.72x = 7,162,529.64 × 2,898,800.72
  4. Step 4: Simplify right side
    5,190,992.72x = 20,762,746,077,453.34
  5. Step 5: Solve for x
    x = 20,762,746,077,453.34/5,190,992.72
  6. Step 6: Final answer
    x = 3,999,764.05

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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.