Home / 3,370,978.77-4,650,811.11-1,919,645.07

Finding the Fourth Proportional to 3,370,978.77, 4,650,811.11 and 1,919,645.07

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Solution

The fourth proportional to 3,370,978.77, 4,650,811.11 and 1,919,645.07 is: 2,648,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,978.77 : 4,650,811.11 = 1,919,645.07 : x
  2. Step 2: Convert to fraction form
    3,370,978.77/4,650,811.11 = 1,919,645.07/x
  3. Step 3: Cross multiply
    3,370,978.77x = 4,650,811.11 × 1,919,645.07
  4. Step 4: Simplify right side
    3,370,978.77x = 8,927,906,618,812.73
  5. Step 5: Solve for x
    x = 8,927,906,618,812.73/3,370,978.77
  6. Step 6: Final answer
    x = 2,648,461.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.