Home / 1,938,245.31-2,674,803.87-1,067,181.30

Finding the Fourth Proportional to 1,938,245.31, 2,674,803.87 and 1,067,181.30

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Solution

The fourth proportional to 1,938,245.31, 2,674,803.87 and 1,067,181.30 is: 1,472,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,245.31 : 2,674,803.87 = 1,067,181.30 : x
  2. Step 2: Convert to fraction form
    1,938,245.31/2,674,803.87 = 1,067,181.30/x
  3. Step 3: Cross multiply
    1,938,245.31x = 2,674,803.87 × 1,067,181.30
  4. Step 4: Simplify right side
    1,938,245.31x = 2,854,500,671,231.63
  5. Step 5: Solve for x
    x = 2,854,500,671,231.63/1,938,245.31
  6. Step 6: Final answer
    x = 1,472,724.15

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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.