Home / 2,810,762.19-3,878,851-1,521,601.62

Finding the Fourth Proportional to 2,810,762.19, 3,878,851 and 1,521,601.62

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Solution

The fourth proportional to 2,810,762.19, 3,878,851 and 1,521,601.62 is: 2,099,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,762.19 : 3,878,851 = 1,521,601.62 : x
  2. Step 2: Convert to fraction form
    2,810,762.19/3,878,851 = 1,521,601.62/x
  3. Step 3: Cross multiply
    2,810,762.19x = 3,878,851 × 1,521,601.62
  4. Step 4: Simplify right side
    2,810,762.19x = 5,902,065,965,338.62
  5. Step 5: Solve for x
    x = 5,902,065,965,338.62/2,810,762.19
  6. Step 6: Final answer
    x = 2,099,809.79

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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.