Home / 2,731,090.95-4,101,065.10-1,978,216.20

Finding the Fourth Proportional to 2,731,090.95, 4,101,065.10 and 1,978,216.20

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Solution

The fourth proportional to 2,731,090.95, 4,101,065.10 and 1,978,216.20 is: 2,970,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,090.95 : 4,101,065.10 = 1,978,216.20 : x
  2. Step 2: Convert to fraction form
    2,731,090.95/4,101,065.10 = 1,978,216.20/x
  3. Step 3: Cross multiply
    2,731,090.95x = 4,101,065.10 × 1,978,216.20
  4. Step 4: Simplify right side
    2,731,090.95x = 8,112,793,418,074.62
  5. Step 5: Solve for x
    x = 8,112,793,418,074.62/2,731,090.95
  6. Step 6: Final answer
    x = 2,970,532.13

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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.