Home / 3,580,734.69-4,941,476.87-1,949,188.77

Finding the Fourth Proportional to 3,580,734.69, 4,941,476.87 and 1,949,188.77

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Solution

The fourth proportional to 3,580,734.69, 4,941,476.87 and 1,949,188.77 is: 2,689,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,734.69 : 4,941,476.87 = 1,949,188.77 : x
  2. Step 2: Convert to fraction form
    3,580,734.69/4,941,476.87 = 1,949,188.77/x
  3. Step 3: Cross multiply
    3,580,734.69x = 4,941,476.87 × 1,949,188.77
  4. Step 4: Simplify right side
    3,580,734.69x = 9,631,871,212,472.81
  5. Step 5: Solve for x
    x = 9,631,871,212,472.81/3,580,734.69
  6. Step 6: Final answer
    x = 2,689,914.79

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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.