Home / 1,640,800.38-2,456,904.24-1,319,243.34

Finding the Fourth Proportional to 1,640,800.38, 2,456,904.24 and 1,319,243.34

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Solution

The fourth proportional to 1,640,800.38, 2,456,904.24 and 1,319,243.34 is: 1,975,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,800.38 : 2,456,904.24 = 1,319,243.34 : x
  2. Step 2: Convert to fraction form
    1,640,800.38/2,456,904.24 = 1,319,243.34/x
  3. Step 3: Cross multiply
    1,640,800.38x = 2,456,904.24 × 1,319,243.34
  4. Step 4: Simplify right side
    1,640,800.38x = 3,241,254,555,637.76
  5. Step 5: Solve for x
    x = 3,241,254,555,637.76/1,640,800.38
  6. Step 6: Final answer
    x = 1,975,410.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.