Home / 4,911,145.40-7,366,718.10-4,485,992.60

Finding the Fourth Proportional to 4,911,145.40, 7,366,718.10 and 4,485,992.60

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Solution

The fourth proportional to 4,911,145.40, 7,366,718.10 and 4,485,992.60 is: 6,728,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,145.40 : 7,366,718.10 = 4,485,992.60 : x
  2. Step 2: Convert to fraction form
    4,911,145.40/7,366,718.10 = 4,485,992.60/x
  3. Step 3: Cross multiply
    4,911,145.40x = 7,366,718.10 × 4,485,992.60
  4. Step 4: Simplify right side
    4,911,145.40x = 33,047,042,882,886.05
  5. Step 5: Solve for x
    x = 33,047,042,882,886.05/4,911,145.40
  6. Step 6: Final answer
    x = 6,728,988.90

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Similar ratio
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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.