Home / 2,089,253.67-3,133,881.54-1,379,115.74

Finding the Fourth Proportional to 2,089,253.67, 3,133,881.54 and 1,379,115.74

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Solution

The fourth proportional to 2,089,253.67, 3,133,881.54 and 1,379,115.74 is: 2,068,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,253.67 : 3,133,881.54 = 1,379,115.74 : x
  2. Step 2: Convert to fraction form
    2,089,253.67/3,133,881.54 = 1,379,115.74/x
  3. Step 3: Cross multiply
    2,089,253.67x = 3,133,881.54 × 1,379,115.74
  4. Step 4: Simplify right side
    2,089,253.67x = 4,321,985,343,440.03
  5. Step 5: Solve for x
    x = 4,321,985,343,440.03/2,089,253.67
  6. Step 6: Final answer
    x = 2,068,674.29

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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.