Home / 1,997,419.68-2,996,413.83-649,148.76

Finding the Fourth Proportional to 1,997,419.68, 2,996,413.83 and 649,148.76

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Solution

The fourth proportional to 1,997,419.68, 2,996,413.83 and 649,148.76 is: 973,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,419.68 : 2,996,413.83 = 649,148.76 : x
  2. Step 2: Convert to fraction form
    1,997,419.68/2,996,413.83 = 649,148.76/x
  3. Step 3: Cross multiply
    1,997,419.68x = 2,996,413.83 × 649,148.76
  4. Step 4: Simplify right side
    1,997,419.68x = 1,945,118,322,191.35
  5. Step 5: Solve for x
    x = 1,945,118,322,191.35/1,997,419.68
  6. Step 6: Final answer
    x = 973,815.54

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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.