Home / 2,430,201.22-3,645,288.77-990,879.11

Finding the Fourth Proportional to 2,430,201.22, 3,645,288.77 and 990,879.11

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Solution

The fourth proportional to 2,430,201.22, 3,645,288.77 and 990,879.11 is: 1,486,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,201.22 : 3,645,288.77 = 990,879.11 : x
  2. Step 2: Convert to fraction form
    2,430,201.22/3,645,288.77 = 990,879.11/x
  3. Step 3: Cross multiply
    2,430,201.22x = 3,645,288.77 × 990,879.11
  4. Step 4: Simplify right side
    2,430,201.22x = 3,612,040,482,599.59
  5. Step 5: Solve for x
    x = 3,612,040,482,599.59/2,430,201.22
  6. Step 6: Final answer
    x = 1,486,313.34

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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.