Home / 1,641,851.51-2,265,733.62-916,711.56

Finding the Fourth Proportional to 1,641,851.51, 2,265,733.62 and 916,711.56

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Solution

The fourth proportional to 1,641,851.51, 2,265,733.62 and 916,711.56 is: 1,265,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,851.51 : 2,265,733.62 = 916,711.56 : x
  2. Step 2: Convert to fraction form
    1,641,851.51/2,265,733.62 = 916,711.56/x
  3. Step 3: Cross multiply
    1,641,851.51x = 2,265,733.62 × 916,711.56
  4. Step 4: Simplify right side
    1,641,851.51x = 2,077,024,201,334.65
  5. Step 5: Solve for x
    x = 2,077,024,201,334.65/1,641,851.51
  6. Step 6: Final answer
    x = 1,265,049.97

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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.