Home / 1,912,437.62-2,854,664.31-1,685,440.38

Finding the Fourth Proportional to 1,912,437.62, 2,854,664.31 and 1,685,440.38

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Solution

The fourth proportional to 1,912,437.62, 2,854,664.31 and 1,685,440.38 is: 2,515,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,437.62 : 2,854,664.31 = 1,685,440.38 : x
  2. Step 2: Convert to fraction form
    1,912,437.62/2,854,664.31 = 1,685,440.38/x
  3. Step 3: Cross multiply
    1,912,437.62x = 2,854,664.31 × 1,685,440.38
  4. Step 4: Simplify right side
    1,912,437.62x = 4,811,366,516,444.23
  5. Step 5: Solve for x
    x = 4,811,366,516,444.23/1,912,437.62
  6. Step 6: Final answer
    x = 2,515,829.26

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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.