Home / 1,589,856.60-2,381,285.70-1,412,563.80

Finding the Fourth Proportional to 1,589,856.60, 2,381,285.70 and 1,412,563.80

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Solution

The fourth proportional to 1,589,856.60, 2,381,285.70 and 1,412,563.80 is: 2,115,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,856.60 : 2,381,285.70 = 1,412,563.80 : x
  2. Step 2: Convert to fraction form
    1,589,856.60/2,381,285.70 = 1,412,563.80/x
  3. Step 3: Cross multiply
    1,589,856.60x = 2,381,285.70 × 1,412,563.80
  4. Step 4: Simplify right side
    1,589,856.60x = 3,363,717,977,277.66
  5. Step 5: Solve for x
    x = 3,363,717,977,277.66/1,589,856.60
  6. Step 6: Final answer
    x = 2,115,736.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.