Home / 2,989,398.69-4,481,338.77-1,191,847.50

Finding the Fourth Proportional to 2,989,398.69, 4,481,338.77 and 1,191,847.50

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Solution

The fourth proportional to 2,989,398.69, 4,481,338.77 and 1,191,847.50 is: 1,786,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,398.69 : 4,481,338.77 = 1,191,847.50 : x
  2. Step 2: Convert to fraction form
    2,989,398.69/4,481,338.77 = 1,191,847.50/x
  3. Step 3: Cross multiply
    2,989,398.69x = 4,481,338.77 × 1,191,847.50
  4. Step 4: Simplify right side
    2,989,398.69x = 5,341,072,409,677.57
  5. Step 5: Solve for x
    x = 5,341,072,409,677.57/2,989,398.69
  6. Step 6: Final answer
    x = 1,786,671.15

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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.