Home / 4,712,142.72-7,061,674.44-2,147,089.02

Finding the Fourth Proportional to 4,712,142.72, 7,061,674.44 and 2,147,089.02

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Solution

The fourth proportional to 4,712,142.72, 7,061,674.44 and 2,147,089.02 is: 3,217,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,142.72 : 7,061,674.44 = 2,147,089.02 : x
  2. Step 2: Convert to fraction form
    4,712,142.72/7,061,674.44 = 2,147,089.02/x
  3. Step 3: Cross multiply
    4,712,142.72x = 7,061,674.44 × 2,147,089.02
  4. Step 4: Simplify right side
    4,712,142.72x = 15,162,043,652,938.65
  5. Step 5: Solve for x
    x = 15,162,043,652,938.65/4,712,142.72
  6. Step 6: Final answer
    x = 3,217,653.74

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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.