Home / 2,606,398.82-3,909,773.21-713,156.66

Finding the Fourth Proportional to 2,606,398.82, 3,909,773.21 and 713,156.66

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Solution

The fourth proportional to 2,606,398.82, 3,909,773.21 and 713,156.66 is: 1,069,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,398.82 : 3,909,773.21 = 713,156.66 : x
  2. Step 2: Convert to fraction form
    2,606,398.82/3,909,773.21 = 713,156.66/x
  3. Step 3: Cross multiply
    2,606,398.82x = 3,909,773.21 × 713,156.66
  4. Step 4: Simplify right side
    2,606,398.82x = 2,788,280,803,801.08
  5. Step 5: Solve for x
    x = 2,788,280,803,801.08/2,606,398.82
  6. Step 6: Final answer
    x = 1,069,782.87

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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.