Home / 3,427,136.20-4,729,636.20-1,899,210.52

Finding the Fourth Proportional to 3,427,136.20, 4,729,636.20 and 1,899,210.52

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Solution

The fourth proportional to 3,427,136.20, 4,729,636.20 and 1,899,210.52 is: 2,621,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,136.20 : 4,729,636.20 = 1,899,210.52 : x
  2. Step 2: Convert to fraction form
    3,427,136.20/4,729,636.20 = 1,899,210.52/x
  3. Step 3: Cross multiply
    3,427,136.20x = 4,729,636.20 × 1,899,210.52
  4. Step 4: Simplify right side
    3,427,136.20x = 8,982,574,826,812.82
  5. Step 5: Solve for x
    x = 8,982,574,826,812.82/3,427,136.20
  6. Step 6: Final answer
    x = 2,621,014.84

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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.