Home / 2,588,312.86-3,882,478.83-791,189.36

Finding the Fourth Proportional to 2,588,312.86, 3,882,478.83 and 791,189.36

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Solution

The fourth proportional to 2,588,312.86, 3,882,478.83 and 791,189.36 is: 1,186,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,312.86 : 3,882,478.83 = 791,189.36 : x
  2. Step 2: Convert to fraction form
    2,588,312.86/3,882,478.83 = 791,189.36/x
  3. Step 3: Cross multiply
    2,588,312.86x = 3,882,478.83 × 791,189.36
  4. Step 4: Simplify right side
    2,588,312.86x = 3,071,775,940,721.25
  5. Step 5: Solve for x
    x = 3,071,775,940,721.25/2,588,312.86
  6. Step 6: Final answer
    x = 1,186,786.96

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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.