Home / 5,638,999.68-8,458,499.52-1,379,117.34

Finding the Fourth Proportional to 5,638,999.68, 8,458,499.52 and 1,379,117.34

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Solution

The fourth proportional to 5,638,999.68, 8,458,499.52 and 1,379,117.34 is: 2,068,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,999.68 : 8,458,499.52 = 1,379,117.34 : x
  2. Step 2: Convert to fraction form
    5,638,999.68/8,458,499.52 = 1,379,117.34/x
  3. Step 3: Cross multiply
    5,638,999.68x = 8,458,499.52 × 1,379,117.34
  4. Step 4: Simplify right side
    5,638,999.68x = 11,665,263,358,413.68
  5. Step 5: Solve for x
    x = 11,665,263,358,413.68/5,638,999.68
  6. Step 6: Final answer
    x = 2,068,676.01

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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.