Home / 5,315,915.94-7,345,560-3,785,365.86

Finding the Fourth Proportional to 5,315,915.94, 7,345,560 and 3,785,365.86

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Solution

The fourth proportional to 5,315,915.94, 7,345,560 and 3,785,365.86 is: 5,230,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,915.94 : 7,345,560 = 3,785,365.86 : x
  2. Step 2: Convert to fraction form
    5,315,915.94/7,345,560 = 3,785,365.86/x
  3. Step 3: Cross multiply
    5,315,915.94x = 7,345,560 × 3,785,365.86
  4. Step 4: Simplify right side
    5,315,915.94x = 27,805,632,046,581.60
  5. Step 5: Solve for x
    x = 27,805,632,046,581.60/5,315,915.94
  6. Step 6: Final answer
    x = 5,230,638.02

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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.