Home / 4,742,871.39-7,113,243.24-2,181,626.69

Finding the Fourth Proportional to 4,742,871.39, 7,113,243.24 and 2,181,626.69

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Solution

The fourth proportional to 4,742,871.39, 7,113,243.24 and 2,181,626.69 is: 3,271,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,871.39 : 7,113,243.24 = 2,181,626.69 : x
  2. Step 2: Convert to fraction form
    4,742,871.39/7,113,243.24 = 2,181,626.69/x
  3. Step 3: Cross multiply
    4,742,871.39x = 7,113,243.24 × 2,181,626.69
  4. Step 4: Simplify right side
    4,742,871.39x = 15,518,441,269,279.86
  5. Step 5: Solve for x
    x = 15,518,441,269,279.86/4,742,871.39
  6. Step 6: Final answer
    x = 3,271,950.68

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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.