Home / 2,614,575.87-3,922,089.74-721,317.31

Finding the Fourth Proportional to 2,614,575.87, 3,922,089.74 and 721,317.31

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Solution

The fourth proportional to 2,614,575.87, 3,922,089.74 and 721,317.31 is: 1,082,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,575.87 : 3,922,089.74 = 721,317.31 : x
  2. Step 2: Convert to fraction form
    2,614,575.87/3,922,089.74 = 721,317.31/x
  3. Step 3: Cross multiply
    2,614,575.87x = 3,922,089.74 × 721,317.31
  4. Step 4: Simplify right side
    2,614,575.87x = 2,829,071,220,835.40
  5. Step 5: Solve for x
    x = 2,829,071,220,835.40/2,614,575.87
  6. Step 6: Final answer
    x = 1,082,038.30

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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.