Home / 1,585,502.91-2,187,078.98-1,011,896.55

Finding the Fourth Proportional to 1,585,502.91, 2,187,078.98 and 1,011,896.55

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Solution

The fourth proportional to 1,585,502.91, 2,187,078.98 and 1,011,896.55 is: 1,395,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,502.91 : 2,187,078.98 = 1,011,896.55 : x
  2. Step 2: Convert to fraction form
    1,585,502.91/2,187,078.98 = 1,011,896.55/x
  3. Step 3: Cross multiply
    1,585,502.91x = 2,187,078.98 × 1,011,896.55
  4. Step 4: Simplify right side
    1,585,502.91x = 2,213,097,669,380.04
  5. Step 5: Solve for x
    x = 2,213,097,669,380.04/1,585,502.91
  6. Step 6: Final answer
    x = 1,395,833.24

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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.