Home / 1,621,786.38-2,238,030.18-896,664.66

Finding the Fourth Proportional to 1,621,786.38, 2,238,030.18 and 896,664.66

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Solution

The fourth proportional to 1,621,786.38, 2,238,030.18 and 896,664.66 is: 1,237,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,786.38 : 2,238,030.18 = 896,664.66 : x
  2. Step 2: Convert to fraction form
    1,621,786.38/2,238,030.18 = 896,664.66/x
  3. Step 3: Cross multiply
    1,621,786.38x = 2,238,030.18 × 896,664.66
  4. Step 4: Simplify right side
    1,621,786.38x = 2,006,762,570,419.44
  5. Step 5: Solve for x
    x = 2,006,762,570,419.44/1,621,786.38
  6. Step 6: Final answer
    x = 1,237,377.87

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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.