Home / 5,345,809.76-8,019,514.82-1,934,894.39

Finding the Fourth Proportional to 5,345,809.76, 8,019,514.82 and 1,934,894.39

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Solution

The fourth proportional to 5,345,809.76, 8,019,514.82 and 1,934,894.39 is: 2,902,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,809.76 : 8,019,514.82 = 1,934,894.39 : x
  2. Step 2: Convert to fraction form
    5,345,809.76/8,019,514.82 = 1,934,894.39/x
  3. Step 3: Cross multiply
    5,345,809.76x = 8,019,514.82 × 1,934,894.39
  4. Step 4: Simplify right side
    5,345,809.76x = 15,516,914,235,739.86
  5. Step 5: Solve for x
    x = 15,516,914,235,739.86/5,345,809.76
  6. Step 6: Final answer
    x = 2,902,631.21

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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.