Home / 1,581,052.61-2,181,852.14-855,899.79

Finding the Fourth Proportional to 1,581,052.61, 2,181,852.14 and 855,899.79

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Solution

The fourth proportional to 1,581,052.61, 2,181,852.14 and 855,899.79 is: 1,181,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,052.61 : 2,181,852.14 = 855,899.79 : x
  2. Step 2: Convert to fraction form
    1,581,052.61/2,181,852.14 = 855,899.79/x
  3. Step 3: Cross multiply
    1,581,052.61x = 2,181,852.14 × 855,899.79
  4. Step 4: Simplify right side
    1,581,052.61x = 1,867,446,775,975.61
  5. Step 5: Solve for x
    x = 1,867,446,775,975.61/1,581,052.61
  6. Step 6: Final answer
    x = 1,181,141.45

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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.