Home / 5,275,186.33-7,911,672.31-1,487,783.47

Finding the Fourth Proportional to 5,275,186.33, 7,911,672.31 and 1,487,783.47

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Solution

The fourth proportional to 5,275,186.33, 7,911,672.31 and 1,487,783.47 is: 2,231,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,186.33 : 7,911,672.31 = 1,487,783.47 : x
  2. Step 2: Convert to fraction form
    5,275,186.33/7,911,672.31 = 1,487,783.47/x
  3. Step 3: Cross multiply
    5,275,186.33x = 7,911,672.31 × 1,487,783.47
  4. Step 4: Simplify right side
    5,275,186.33x = 11,770,855,243,868.89
  5. Step 5: Solve for x
    x = 11,770,855,243,868.89/5,275,186.33
  6. Step 6: Final answer
    x = 2,231,362.94

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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.