Home / 1,586,180.15-2,188,931.38-861,028.35

Finding the Fourth Proportional to 1,586,180.15, 2,188,931.38 and 861,028.35

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Solution

The fourth proportional to 1,586,180.15, 2,188,931.38 and 861,028.35 is: 1,188,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,180.15 : 2,188,931.38 = 861,028.35 : x
  2. Step 2: Convert to fraction form
    1,586,180.15/2,188,931.38 = 861,028.35/x
  3. Step 3: Cross multiply
    1,586,180.15x = 2,188,931.38 × 861,028.35
  4. Step 4: Simplify right side
    1,586,180.15x = 1,884,731,980,440.54
  5. Step 5: Solve for x
    x = 1,884,731,980,440.54/1,586,180.15
  6. Step 6: Final answer
    x = 1,188,220.64

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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.