Home / 5,161,170.09-7,742,685.98-2,126,847.02

Finding the Fourth Proportional to 5,161,170.09, 7,742,685.98 and 2,126,847.02

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Solution

The fourth proportional to 5,161,170.09, 7,742,685.98 and 2,126,847.02 is: 3,190,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,170.09 : 7,742,685.98 = 2,126,847.02 : x
  2. Step 2: Convert to fraction form
    5,161,170.09/7,742,685.98 = 2,126,847.02/x
  3. Step 3: Cross multiply
    5,161,170.09x = 7,742,685.98 × 2,126,847.02
  4. Step 4: Simplify right side
    5,161,170.09x = 16,467,508,554,011.12
  5. Step 5: Solve for x
    x = 16,467,508,554,011.12/5,161,170.09
  6. Step 6: Final answer
    x = 3,190,654.11

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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.