Home / 2,511,358.08-3,768,150.72-1,431,831.12

Finding the Fourth Proportional to 2,511,358.08, 3,768,150.72 and 1,431,831.12

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Solution

The fourth proportional to 2,511,358.08, 3,768,150.72 and 1,431,831.12 is: 2,148,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,358.08 : 3,768,150.72 = 1,431,831.12 : x
  2. Step 2: Convert to fraction form
    2,511,358.08/3,768,150.72 = 1,431,831.12/x
  3. Step 3: Cross multiply
    2,511,358.08x = 3,768,150.72 × 1,431,831.12
  4. Step 4: Simplify right side
    2,511,358.08x = 5,395,355,465,746.41
  5. Step 5: Solve for x
    x = 5,395,355,465,746.41/2,511,358.08
  6. Step 6: Final answer
    x = 2,148,381.59

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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.