Home / 3,180,155.28-4,772,243.88-2,881,238.64

Finding the Fourth Proportional to 3,180,155.28, 4,772,243.88 and 2,881,238.64

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Solution

The fourth proportional to 3,180,155.28, 4,772,243.88 and 2,881,238.64 is: 4,323,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,155.28 : 4,772,243.88 = 2,881,238.64 : x
  2. Step 2: Convert to fraction form
    3,180,155.28/4,772,243.88 = 2,881,238.64/x
  3. Step 3: Cross multiply
    3,180,155.28x = 4,772,243.88 × 2,881,238.64
  4. Step 4: Simplify right side
    3,180,155.28x = 13,749,973,466,559.52
  5. Step 5: Solve for x
    x = 13,749,973,466,559.52/3,180,155.28
  6. Step 6: Final answer
    x = 4,323,679.90

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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.