Home / 3,622,918.07-4,999,678.28-1,991,476.28

Finding the Fourth Proportional to 3,622,918.07, 4,999,678.28 and 1,991,476.28

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Solution

The fourth proportional to 3,622,918.07, 4,999,678.28 and 1,991,476.28 is: 2,748,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,918.07 : 4,999,678.28 = 1,991,476.28 : x
  2. Step 2: Convert to fraction form
    3,622,918.07/4,999,678.28 = 1,991,476.28/x
  3. Step 3: Cross multiply
    3,622,918.07x = 4,999,678.28 × 1,991,476.28
  4. Step 4: Simplify right side
    3,622,918.07x = 9,956,740,667,295.43
  5. Step 5: Solve for x
    x = 9,956,740,667,295.43/3,622,918.07
  6. Step 6: Final answer
    x = 2,748,265.48

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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.