Home / 3,686,133.47-5,531,689.87-1,289,999.03

Finding the Fourth Proportional to 3,686,133.47, 5,531,689.87 and 1,289,999.03

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Solution

The fourth proportional to 3,686,133.47, 5,531,689.87 and 1,289,999.03 is: 1,935,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,133.47 : 5,531,689.87 = 1,289,999.03 : x
  2. Step 2: Convert to fraction form
    3,686,133.47/5,531,689.87 = 1,289,999.03/x
  3. Step 3: Cross multiply
    3,686,133.47x = 5,531,689.87 × 1,289,999.03
  4. Step 4: Simplify right side
    3,686,133.47x = 7,135,874,535,677.38
  5. Step 5: Solve for x
    x = 7,135,874,535,677.38/3,686,133.47
  6. Step 6: Final answer
    x = 1,935,869.82

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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.