Home / 3,876,120.30-5,809,898.70-1,600,390.02

Finding the Fourth Proportional to 3,876,120.30, 5,809,898.70 and 1,600,390.02

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Solution

The fourth proportional to 3,876,120.30, 5,809,898.70 and 1,600,390.02 is: 2,398,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,120.30 : 5,809,898.70 = 1,600,390.02 : x
  2. Step 2: Convert to fraction form
    3,876,120.30/5,809,898.70 = 1,600,390.02/x
  3. Step 3: Cross multiply
    3,876,120.30x = 5,809,898.70 × 1,600,390.02
  4. Step 4: Simplify right side
    3,876,120.30x = 9,298,103,896,690.98
  5. Step 5: Solve for x
    x = 9,298,103,896,690.98/3,876,120.30
  6. Step 6: Final answer
    x = 2,398,817.16

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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.