Home / 1,912,444.36-2,639,270.19-1,085,576.11

Finding the Fourth Proportional to 1,912,444.36, 2,639,270.19 and 1,085,576.11

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Solution

The fourth proportional to 1,912,444.36, 2,639,270.19 and 1,085,576.11 is: 1,498,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,444.36 : 2,639,270.19 = 1,085,576.11 : x
  2. Step 2: Convert to fraction form
    1,912,444.36/2,639,270.19 = 1,085,576.11/x
  3. Step 3: Cross multiply
    1,912,444.36x = 2,639,270.19 × 1,085,576.11
  4. Step 4: Simplify right side
    1,912,444.36x = 2,865,128,666,099.16
  5. Step 5: Solve for x
    x = 2,865,128,666,099.16/1,912,444.36
  6. Step 6: Final answer
    x = 1,498,150.08

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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.