Home / 1,799,380.31-2,696,888.02-1,321,635.63

Finding the Fourth Proportional to 1,799,380.31, 2,696,888.02 and 1,321,635.63

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Solution

The fourth proportional to 1,799,380.31, 2,696,888.02 and 1,321,635.63 is: 1,980,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,380.31 : 2,696,888.02 = 1,321,635.63 : x
  2. Step 2: Convert to fraction form
    1,799,380.31/2,696,888.02 = 1,321,635.63/x
  3. Step 3: Cross multiply
    1,799,380.31x = 2,696,888.02 × 1,321,635.63
  4. Step 4: Simplify right side
    1,799,380.31x = 3,564,303,297,352.15
  5. Step 5: Solve for x
    x = 3,564,303,297,352.15/1,799,380.31
  6. Step 6: Final answer
    x = 1,980,850.45

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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.