Home / 1,818,455.67-2,509,485.81-1,002,688.57

Finding the Fourth Proportional to 1,818,455.67, 2,509,485.81 and 1,002,688.57

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Solution

The fourth proportional to 1,818,455.67, 2,509,485.81 and 1,002,688.57 is: 1,383,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,455.67 : 2,509,485.81 = 1,002,688.57 : x
  2. Step 2: Convert to fraction form
    1,818,455.67/2,509,485.81 = 1,002,688.57/x
  3. Step 3: Cross multiply
    1,818,455.67x = 2,509,485.81 × 1,002,688.57
  4. Step 4: Simplify right side
    1,818,455.67x = 2,516,232,737,640.97
  5. Step 5: Solve for x
    x = 2,516,232,737,640.97/1,818,455.67
  6. Step 6: Final answer
    x = 1,383,719.59

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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.