Home / 5,216,101.95-7,818,630.72-1,754,546.31

Finding the Fourth Proportional to 5,216,101.95, 7,818,630.72 and 1,754,546.31

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Solution

The fourth proportional to 5,216,101.95, 7,818,630.72 and 1,754,546.31 is: 2,629,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,101.95 : 7,818,630.72 = 1,754,546.31 : x
  2. Step 2: Convert to fraction form
    5,216,101.95/7,818,630.72 = 1,754,546.31/x
  3. Step 3: Cross multiply
    5,216,101.95x = 7,818,630.72 × 1,754,546.31
  4. Step 4: Simplify right side
    5,216,101.95x = 13,718,149,679,028.64
  5. Step 5: Solve for x
    x = 13,718,149,679,028.64/5,216,101.95
  6. Step 6: Final answer
    x = 2,629,961.95

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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.