Home / 2,143,966.02-3,211,744.59-1,243,516.02

Finding the Fourth Proportional to 2,143,966.02, 3,211,744.59 and 1,243,516.02

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Solution

The fourth proportional to 2,143,966.02, 3,211,744.59 and 1,243,516.02 is: 1,862,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,966.02 : 3,211,744.59 = 1,243,516.02 : x
  2. Step 2: Convert to fraction form
    2,143,966.02/3,211,744.59 = 1,243,516.02/x
  3. Step 3: Cross multiply
    2,143,966.02x = 3,211,744.59 × 1,243,516.02
  4. Step 4: Simplify right side
    2,143,966.02x = 3,993,855,849,813.33
  5. Step 5: Solve for x
    x = 3,993,855,849,813.33/2,143,966.02
  6. Step 6: Final answer
    x = 1,862,835.42

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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.