Home / 1,554,516.87-2,145,200.96-866,185.95

Finding the Fourth Proportional to 1,554,516.87, 2,145,200.96 and 866,185.95

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Solution

The fourth proportional to 1,554,516.87, 2,145,200.96 and 866,185.95 is: 1,195,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,516.87 : 2,145,200.96 = 866,185.95 : x
  2. Step 2: Convert to fraction form
    1,554,516.87/2,145,200.96 = 866,185.95/x
  3. Step 3: Cross multiply
    1,554,516.87x = 2,145,200.96 × 866,185.95
  4. Step 4: Simplify right side
    1,554,516.87x = 1,858,142,941,688.48
  5. Step 5: Solve for x
    x = 1,858,142,941,688.48/1,554,516.87
  6. Step 6: Final answer
    x = 1,195,318.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.