Home / 2,104,163.42-3,156,339.04-645,104.87

Finding the Fourth Proportional to 2,104,163.42, 3,156,339.04 and 645,104.87

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Solution

The fourth proportional to 2,104,163.42, 3,156,339.04 and 645,104.87 is: 967,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,163.42 : 3,156,339.04 = 645,104.87 : x
  2. Step 2: Convert to fraction form
    2,104,163.42/3,156,339.04 = 645,104.87/x
  3. Step 3: Cross multiply
    2,104,163.42x = 3,156,339.04 × 645,104.87
  4. Step 4: Simplify right side
    2,104,163.42x = 2,036,169,684,048.39
  5. Step 5: Solve for x
    x = 2,036,169,684,048.39/2,104,163.42
  6. Step 6: Final answer
    x = 967,686.10

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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.