Home / 4,947,642.21-6,827,741.49-2,772,200.96

Finding the Fourth Proportional to 4,947,642.21, 6,827,741.49 and 2,772,200.96

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Solution

The fourth proportional to 4,947,642.21, 6,827,741.49 and 2,772,200.96 is: 3,825,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,642.21 : 6,827,741.49 = 2,772,200.96 : x
  2. Step 2: Convert to fraction form
    4,947,642.21/6,827,741.49 = 2,772,200.96/x
  3. Step 3: Cross multiply
    4,947,642.21x = 6,827,741.49 × 2,772,200.96
  4. Step 4: Simplify right side
    4,947,642.21x = 18,927,871,530,279.18
  5. Step 5: Solve for x
    x = 18,927,871,530,279.18/4,947,642.21
  6. Step 6: Final answer
    x = 3,825,634.66

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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.