Home / 1,586,008.89-2,188,633.59-860,841.09

Finding the Fourth Proportional to 1,586,008.89, 2,188,633.59 and 860,841.09

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Solution

The fourth proportional to 1,586,008.89, 2,188,633.59 and 860,841.09 is: 1,187,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,008.89 : 2,188,633.59 = 860,841.09 : x
  2. Step 2: Convert to fraction form
    1,586,008.89/2,188,633.59 = 860,841.09/x
  3. Step 3: Cross multiply
    1,586,008.89x = 2,188,633.59 × 860,841.09
  4. Step 4: Simplify right side
    1,586,008.89x = 1,884,065,725,226.21
  5. Step 5: Solve for x
    x = 1,884,065,725,226.21/1,586,008.89
  6. Step 6: Final answer
    x = 1,187,928.86

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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.