Home / 3,685,874.20-5,531,302.43-1,289,739.59

Finding the Fourth Proportional to 3,685,874.20, 5,531,302.43 and 1,289,739.59

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Solution

The fourth proportional to 3,685,874.20, 5,531,302.43 and 1,289,739.59 is: 1,935,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,874.20 : 5,531,302.43 = 1,289,739.59 : x
  2. Step 2: Convert to fraction form
    3,685,874.20/5,531,302.43 = 1,289,739.59/x
  3. Step 3: Cross multiply
    3,685,874.20x = 5,531,302.43 × 1,289,739.59
  4. Step 4: Simplify right side
    3,685,874.20x = 7,133,939,725,009.86
  5. Step 5: Solve for x
    x = 7,133,939,725,009.86/3,685,874.20
  6. Step 6: Final answer
    x = 1,935,481.07

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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.