Home / 1,705,806.36-2,341,644.03-1,689,865.56

Finding the Fourth Proportional to 1,705,806.36, 2,341,644.03 and 1,689,865.56

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Solution

The fourth proportional to 1,705,806.36, 2,341,644.03 and 1,689,865.56 is: 2,319,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,806.36 : 2,341,644.03 = 1,689,865.56 : x
  2. Step 2: Convert to fraction form
    1,705,806.36/2,341,644.03 = 1,689,865.56/x
  3. Step 3: Cross multiply
    1,705,806.36x = 2,341,644.03 × 1,689,865.56
  4. Step 4: Simplify right side
    1,705,806.36x = 3,957,063,600,076.61
  5. Step 5: Solve for x
    x = 3,957,063,600,076.61/1,705,806.36
  6. Step 6: Final answer
    x = 2,319,761.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.