Home / 1,581,036.43-2,181,827.79-855,883.93

Finding the Fourth Proportional to 1,581,036.43, 2,181,827.79 and 855,883.93

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Solution

The fourth proportional to 1,581,036.43, 2,181,827.79 and 855,883.93 is: 1,181,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,036.43 : 2,181,827.79 = 855,883.93 : x
  2. Step 2: Convert to fraction form
    1,581,036.43/2,181,827.79 = 855,883.93/x
  3. Step 3: Cross multiply
    1,581,036.43x = 2,181,827.79 × 855,883.93
  4. Step 4: Simplify right side
    1,581,036.43x = 1,867,391,343,488.41
  5. Step 5: Solve for x
    x = 1,867,391,343,488.41/1,581,036.43
  6. Step 6: Final answer
    x = 1,181,118.48

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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.