Home / 2,001,525.78-3,001,838.41-921,001.68

Finding the Fourth Proportional to 2,001,525.78, 3,001,838.41 and 921,001.68

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Solution

The fourth proportional to 2,001,525.78, 3,001,838.41 and 921,001.68 is: 1,381,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001,525.78 : 3,001,838.41 = 921,001.68 : x
  2. Step 2: Convert to fraction form
    2,001,525.78/3,001,838.41 = 921,001.68/x
  3. Step 3: Cross multiply
    2,001,525.78x = 3,001,838.41 × 921,001.68
  4. Step 4: Simplify right side
    2,001,525.78x = 2,764,698,218,698.53
  5. Step 5: Solve for x
    x = 2,764,698,218,698.53/2,001,525.78
  6. Step 6: Final answer
    x = 1,381,295.33

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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.