Home / 3,155,133.05-4,361,438.81-2,814,346.47

Finding the Fourth Proportional to 3,155,133.05, 4,361,438.81 and 2,814,346.47

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Solution

The fourth proportional to 3,155,133.05, 4,361,438.81 and 2,814,346.47 is: 3,890,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,133.05 : 4,361,438.81 = 2,814,346.47 : x
  2. Step 2: Convert to fraction form
    3,155,133.05/4,361,438.81 = 2,814,346.47/x
  3. Step 3: Cross multiply
    3,155,133.05x = 4,361,438.81 × 2,814,346.47
  4. Step 4: Simplify right side
    3,155,133.05x = 12,274,599,926,080.37
  5. Step 5: Solve for x
    x = 12,274,599,926,080.37/3,155,133.05
  6. Step 6: Final answer
    x = 3,890,358.90

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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.