Home / 1,581,755.77-2,182,812.09-856,586.89

Finding the Fourth Proportional to 1,581,755.77, 2,182,812.09 and 856,586.89

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Solution

The fourth proportional to 1,581,755.77, 2,182,812.09 and 856,586.89 is: 1,182,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,755.77 : 2,182,812.09 = 856,586.89 : x
  2. Step 2: Convert to fraction form
    1,581,755.77/2,182,812.09 = 856,586.89/x
  3. Step 3: Cross multiply
    1,581,755.77x = 2,182,812.09 × 856,586.89
  4. Step 4: Simplify right side
    1,581,755.77x = 1,869,768,212,564.37
  5. Step 5: Solve for x
    x = 1,869,768,212,564.37/1,581,755.77
  6. Step 6: Final answer
    x = 1,182,084.02

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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.