Home / 5,055,072-7,582,608-1,689,279

Finding the Fourth Proportional to 5,055,072, 7,582,608 and 1,689,279

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Solution

The fourth proportional to 5,055,072, 7,582,608 and 1,689,279 is: 2,533,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,072 : 7,582,608 = 1,689,279 : x
  2. Step 2: Convert to fraction form
    5,055,072/7,582,608 = 1,689,279/x
  3. Step 3: Cross multiply
    5,055,072x = 7,582,608 × 1,689,279
  4. Step 4: Simplify right side
    5,055,072x = 12,809,140,459,632
  5. Step 5: Solve for x
    x = 12,809,140,459,632/5,055,072
  6. Step 6: Final answer
    x = 2,533,918.50

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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.