Home / 3,685,989.33-5,531,475.29-1,289,855.16

Finding the Fourth Proportional to 3,685,989.33, 5,531,475.29 and 1,289,855.16

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Solution

The fourth proportional to 3,685,989.33, 5,531,475.29 and 1,289,855.16 is: 1,935,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,989.33 : 5,531,475.29 = 1,289,855.16 : x
  2. Step 2: Convert to fraction form
    3,685,989.33/5,531,475.29 = 1,289,855.16/x
  3. Step 3: Cross multiply
    3,685,989.33x = 5,531,475.29 × 1,289,855.16
  4. Step 4: Simplify right side
    3,685,989.33x = 7,134,801,945,219.00
  5. Step 5: Solve for x
    x = 7,134,801,945,219.00/3,685,989.33
  6. Step 6: Final answer
    x = 1,935,654.53

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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.