Home / 3,660,970.95-5,491,511.79-1,385,884.47

Finding the Fourth Proportional to 3,660,970.95, 5,491,511.79 and 1,385,884.47

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Solution

The fourth proportional to 3,660,970.95, 5,491,511.79 and 1,385,884.47 is: 2,078,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660,970.95 : 5,491,511.79 = 1,385,884.47 : x
  2. Step 2: Convert to fraction form
    3,660,970.95/5,491,511.79 = 1,385,884.47/x
  3. Step 3: Cross multiply
    3,660,970.95x = 5,491,511.79 × 1,385,884.47
  4. Step 4: Simplify right side
    3,660,970.95x = 7,610,600,906,582.90
  5. Step 5: Solve for x
    x = 7,610,600,906,582.90/3,660,970.95
  6. Step 6: Final answer
    x = 2,078,847.66

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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.