Home / 5,745,345.40-7,928,512.08-3,131,792.25

Finding the Fourth Proportional to 5,745,345.40, 7,928,512.08 and 3,131,792.25

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Solution

The fourth proportional to 5,745,345.40, 7,928,512.08 and 3,131,792.25 is: 4,321,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745,345.40 : 7,928,512.08 = 3,131,792.25 : x
  2. Step 2: Convert to fraction form
    5,745,345.40/7,928,512.08 = 3,131,792.25/x
  3. Step 3: Cross multiply
    5,745,345.40x = 7,928,512.08 × 3,131,792.25
  4. Step 4: Simplify right side
    5,745,345.40x = 24,830,452,660,253.35
  5. Step 5: Solve for x
    x = 24,830,452,660,253.35/5,745,345.40
  6. Step 6: Final answer
    x = 4,321,838.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.