Home / 1,938,904.48-2,675,682.48-1,079,442.64

Finding the Fourth Proportional to 1,938,904.48, 2,675,682.48 and 1,079,442.64

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Solution

The fourth proportional to 1,938,904.48, 2,675,682.48 and 1,079,442.64 is: 1,489,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,904.48 : 2,675,682.48 = 1,079,442.64 : x
  2. Step 2: Convert to fraction form
    1,938,904.48/2,675,682.48 = 1,079,442.64/x
  3. Step 3: Cross multiply
    1,938,904.48x = 2,675,682.48 × 1,079,442.64
  4. Step 4: Simplify right side
    1,938,904.48x = 2,888,245,760,012.95
  5. Step 5: Solve for x
    x = 2,888,245,760,012.95/1,938,904.48
  6. Step 6: Final answer
    x = 1,489,627.67

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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.