Home / 2,913,890.44-4,021,812.66-1,893,523.72

Finding the Fourth Proportional to 2,913,890.44, 4,021,812.66 and 1,893,523.72

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Solution

The fourth proportional to 2,913,890.44, 4,021,812.66 and 1,893,523.72 is: 2,613,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,890.44 : 4,021,812.66 = 1,893,523.72 : x
  2. Step 2: Convert to fraction form
    2,913,890.44/4,021,812.66 = 1,893,523.72/x
  3. Step 3: Cross multiply
    2,913,890.44x = 4,021,812.66 × 1,893,523.72
  4. Step 4: Simplify right side
    2,913,890.44x = 7,615,397,669,106.30
  5. Step 5: Solve for x
    x = 7,615,397,669,106.30/2,913,890.44
  6. Step 6: Final answer
    x = 2,613,481.13

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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.