Home / 3,427,136.45-4,729,636.55-1,899,210.77

Finding the Fourth Proportional to 3,427,136.45, 4,729,636.55 and 1,899,210.77

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Solution

The fourth proportional to 3,427,136.45, 4,729,636.55 and 1,899,210.77 is: 2,621,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,136.45 : 4,729,636.55 = 1,899,210.77 : x
  2. Step 2: Convert to fraction form
    3,427,136.45/4,729,636.55 = 1,899,210.77/x
  3. Step 3: Cross multiply
    3,427,136.45x = 4,729,636.55 × 1,899,210.77
  4. Step 4: Simplify right side
    3,427,136.45x = 8,982,576,664,449.59
  5. Step 5: Solve for x
    x = 8,982,576,664,449.59/3,427,136.45
  6. Step 6: Final answer
    x = 2,621,015.18

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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.