Home / 5,920,928.64-8,171,079.36-3,628,646.40

Finding the Fourth Proportional to 5,920,928.64, 8,171,079.36 and 3,628,646.40

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Solution

The fourth proportional to 5,920,928.64, 8,171,079.36 and 3,628,646.40 is: 5,007,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920,928.64 : 8,171,079.36 = 3,628,646.40 : x
  2. Step 2: Convert to fraction form
    5,920,928.64/8,171,079.36 = 3,628,646.40/x
  3. Step 3: Cross multiply
    5,920,928.64x = 8,171,079.36 × 3,628,646.40
  4. Step 4: Simplify right side
    5,920,928.64x = 29,649,957,703,778.30
  5. Step 5: Solve for x
    x = 29,649,957,703,778.30/5,920,928.64
  6. Step 6: Final answer
    x = 5,007,653.28

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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.