Home / 3,145,953.78-4,715,941.14-2,005,515

Finding the Fourth Proportional to 3,145,953.78, 4,715,941.14 and 2,005,515

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Solution

The fourth proportional to 3,145,953.78, 4,715,941.14 and 2,005,515 is: 3,006,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,953.78 : 4,715,941.14 = 2,005,515 : x
  2. Step 2: Convert to fraction form
    3,145,953.78/4,715,941.14 = 2,005,515/x
  3. Step 3: Cross multiply
    3,145,953.78x = 4,715,941.14 × 2,005,515
  4. Step 4: Simplify right side
    3,145,953.78x = 9,457,890,695,387.10
  5. Step 5: Solve for x
    x = 9,457,890,695,387.10/3,145,953.78
  6. Step 6: Final answer
    x = 3,006,366.70

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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.