Home / 2,614,768.40-3,922,378.68-721,509.92

Finding the Fourth Proportional to 2,614,768.40, 3,922,378.68 and 721,509.92

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Solution

The fourth proportional to 2,614,768.40, 3,922,378.68 and 721,509.92 is: 1,082,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,768.40 : 3,922,378.68 = 721,509.92 : x
  2. Step 2: Convert to fraction form
    2,614,768.40/3,922,378.68 = 721,509.92/x
  3. Step 3: Cross multiply
    2,614,768.40x = 3,922,378.68 × 721,509.92
  4. Step 4: Simplify right side
    2,614,768.40x = 2,830,035,127,616.51
  5. Step 5: Solve for x
    x = 2,830,035,127,616.51/2,614,768.40
  6. Step 6: Final answer
    x = 1,082,327.26

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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.