Home / 2,783,143.90-4,171,605.45-1,585,639.90

Finding the Fourth Proportional to 2,783,143.90, 4,171,605.45 and 1,585,639.90

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Solution

The fourth proportional to 2,783,143.90, 4,171,605.45 and 1,585,639.90 is: 2,376,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,143.90 : 4,171,605.45 = 1,585,639.90 : x
  2. Step 2: Convert to fraction form
    2,783,143.90/4,171,605.45 = 1,585,639.90/x
  3. Step 3: Cross multiply
    2,783,143.90x = 4,171,605.45 × 1,585,639.90
  4. Step 4: Simplify right side
    2,783,143.90x = 6,614,664,048,577.46
  5. Step 5: Solve for x
    x = 6,614,664,048,577.46/2,783,143.90
  6. Step 6: Final answer
    x = 2,376,687.76

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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.