Home / 2,808,185.76-4,211,475.12-915,092.64

Finding the Fourth Proportional to 2,808,185.76, 4,211,475.12 and 915,092.64

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Solution

The fourth proportional to 2,808,185.76, 4,211,475.12 and 915,092.64 is: 1,372,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,185.76 : 4,211,475.12 = 915,092.64 : x
  2. Step 2: Convert to fraction form
    2,808,185.76/4,211,475.12 = 915,092.64/x
  3. Step 3: Cross multiply
    2,808,185.76x = 4,211,475.12 × 915,092.64
  4. Step 4: Simplify right side
    2,808,185.76x = 3,853,889,885,855.12
  5. Step 5: Solve for x
    x = 3,853,889,885,855.12/2,808,185.76
  6. Step 6: Final answer
    x = 1,372,377.12

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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.