Home / 3,162,137.20-4,742,226.96-1,140,120.76

Finding the Fourth Proportional to 3,162,137.20, 4,742,226.96 and 1,140,120.76

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Solution

The fourth proportional to 3,162,137.20, 4,742,226.96 and 1,140,120.76 is: 1,709,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,137.20 : 4,742,226.96 = 1,140,120.76 : x
  2. Step 2: Convert to fraction form
    3,162,137.20/4,742,226.96 = 1,140,120.76/x
  3. Step 3: Cross multiply
    3,162,137.20x = 4,742,226.96 × 1,140,120.76
  4. Step 4: Simplify right side
    3,162,137.20x = 5,406,711,405,727.69
  5. Step 5: Solve for x
    x = 5,406,711,405,727.69/3,162,137.20
  6. Step 6: Final answer
    x = 1,709,828.22

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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.