Home / 5,160,734.89-7,742,035.74-2,126,412.85

Finding the Fourth Proportional to 5,160,734.89, 7,742,035.74 and 2,126,412.85

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Solution

The fourth proportional to 5,160,734.89, 7,742,035.74 and 2,126,412.85 is: 3,190,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,734.89 : 7,742,035.74 = 2,126,412.85 : x
  2. Step 2: Convert to fraction form
    5,160,734.89/7,742,035.74 = 2,126,412.85/x
  3. Step 3: Cross multiply
    5,160,734.89x = 7,742,035.74 × 2,126,412.85
  4. Step 4: Simplify right side
    5,160,734.89x = 16,462,764,282,695.26
  5. Step 5: Solve for x
    x = 16,462,764,282,695.26/5,160,734.89
  6. Step 6: Final answer
    x = 3,190,003.87

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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.