Home / 1,965,225.05-2,712,134.45-1,190,923.59

Finding the Fourth Proportional to 1,965,225.05, 2,712,134.45 and 1,190,923.59

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Solution

The fourth proportional to 1,965,225.05, 2,712,134.45 and 1,190,923.59 is: 1,643,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,225.05 : 2,712,134.45 = 1,190,923.59 : x
  2. Step 2: Convert to fraction form
    1,965,225.05/2,712,134.45 = 1,190,923.59/x
  3. Step 3: Cross multiply
    1,965,225.05x = 2,712,134.45 × 1,190,923.59
  4. Step 4: Simplify right side
    1,965,225.05x = 3,229,944,902,537.01
  5. Step 5: Solve for x
    x = 3,229,944,902,537.01/1,965,225.05
  6. Step 6: Final answer
    x = 1,643,549.63

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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.