Home / 2,069,701.47-3,105,068.88-721,883.44

Finding the Fourth Proportional to 2,069,701.47, 3,105,068.88 and 721,883.44

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Solution

The fourth proportional to 2,069,701.47, 3,105,068.88 and 721,883.44 is: 1,083,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,701.47 : 3,105,068.88 = 721,883.44 : x
  2. Step 2: Convert to fraction form
    2,069,701.47/3,105,068.88 = 721,883.44/x
  3. Step 3: Cross multiply
    2,069,701.47x = 3,105,068.88 × 721,883.44
  4. Step 4: Simplify right side
    2,069,701.47x = 2,241,497,811,119.75
  5. Step 5: Solve for x
    x = 2,241,497,811,119.75/2,069,701.47
  6. Step 6: Final answer
    x = 1,083,005.37

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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.