Home / 5,161,172.10-7,742,688.98-2,126,849.02

Finding the Fourth Proportional to 5,161,172.10, 7,742,688.98 and 2,126,849.02

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Solution

The fourth proportional to 5,161,172.10, 7,742,688.98 and 2,126,849.02 is: 3,190,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,172.10 : 7,742,688.98 = 2,126,849.02 : x
  2. Step 2: Convert to fraction form
    5,161,172.10/7,742,688.98 = 2,126,849.02/x
  3. Step 3: Cross multiply
    5,161,172.10x = 7,742,688.98 × 2,126,849.02
  4. Step 4: Simplify right side
    5,161,172.10x = 16,467,530,469,277.80
  5. Step 5: Solve for x
    x = 16,467,530,469,277.80/5,161,172.10
  6. Step 6: Final answer
    x = 3,190,657.11

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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.