Home / 1,219,999.47-1,819,092.07-1,186,480.88

Finding the Fourth Proportional to 1,219,999.47, 1,819,092.07 and 1,186,480.88

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Solution

The fourth proportional to 1,219,999.47, 1,819,092.07 and 1,186,480.88 is: 1,769,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,999.47 : 1,819,092.07 = 1,186,480.88 : x
  2. Step 2: Convert to fraction form
    1,219,999.47/1,819,092.07 = 1,186,480.88/x
  3. Step 3: Cross multiply
    1,219,999.47x = 1,819,092.07 × 1,186,480.88
  4. Step 4: Simplify right side
    1,219,999.47x = 2,158,317,947,952.96
  5. Step 5: Solve for x
    x = 2,158,317,947,952.96/1,219,999.47
  6. Step 6: Final answer
    x = 1,769,113.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.