Home / 2,622,928.76-3,934,400.16-729,670.40

Finding the Fourth Proportional to 2,622,928.76, 3,934,400.16 and 729,670.40

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Solution

The fourth proportional to 2,622,928.76, 3,934,400.16 and 729,670.40 is: 1,094,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622,928.76 : 3,934,400.16 = 729,670.40 : x
  2. Step 2: Convert to fraction form
    2,622,928.76/3,934,400.16 = 729,670.40/x
  3. Step 3: Cross multiply
    2,622,928.76x = 3,934,400.16 × 729,670.40
  4. Step 4: Simplify right side
    2,622,928.76x = 2,870,815,315,186.91
  5. Step 5: Solve for x
    x = 2,870,815,315,186.91/2,622,928.76
  6. Step 6: Final answer
    x = 1,094,507.55

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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.