Home / 5,407,318.42-8,109,944.98-1,620,801.29

Finding the Fourth Proportional to 5,407,318.42, 8,109,944.98 and 1,620,801.29

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Solution

The fourth proportional to 5,407,318.42, 8,109,944.98 and 1,620,801.29 is: 2,430,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407,318.42 : 8,109,944.98 = 1,620,801.29 : x
  2. Step 2: Convert to fraction form
    5,407,318.42/8,109,944.98 = 1,620,801.29/x
  3. Step 3: Cross multiply
    5,407,318.42x = 8,109,944.98 × 1,620,801.29
  4. Step 4: Simplify right side
    5,407,318.42x = 13,144,609,301,635.88
  5. Step 5: Solve for x
    x = 13,144,609,301,635.88/5,407,318.42
  6. Step 6: Final answer
    x = 2,430,892.41

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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.