Home / 1,919,675.43-2,649,043.04-1,103,749.47

Finding the Fourth Proportional to 1,919,675.43, 2,649,043.04 and 1,103,749.47

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Solution

The fourth proportional to 1,919,675.43, 2,649,043.04 and 1,103,749.47 is: 1,523,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,675.43 : 2,649,043.04 = 1,103,749.47 : x
  2. Step 2: Convert to fraction form
    1,919,675.43/2,649,043.04 = 1,103,749.47/x
  3. Step 3: Cross multiply
    1,919,675.43x = 2,649,043.04 × 1,103,749.47
  4. Step 4: Simplify right side
    1,919,675.43x = 2,923,879,845,888.44
  5. Step 5: Solve for x
    x = 2,923,879,845,888.44/1,919,675.43
  6. Step 6: Final answer
    x = 1,523,111.56

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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.