Home / 3,886,478.82-5,830,465.46-1,490,136.56

Finding the Fourth Proportional to 3,886,478.82, 5,830,465.46 and 1,490,136.56

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Solution

The fourth proportional to 3,886,478.82, 5,830,465.46 and 1,490,136.56 is: 2,235,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,478.82 : 5,830,465.46 = 1,490,136.56 : x
  2. Step 2: Convert to fraction form
    3,886,478.82/5,830,465.46 = 1,490,136.56/x
  3. Step 3: Cross multiply
    3,886,478.82x = 5,830,465.46 × 1,490,136.56
  4. Step 4: Simplify right side
    3,886,478.82x = 8,688,189,737,223.25
  5. Step 5: Solve for x
    x = 8,688,189,737,223.25/3,886,478.82
  6. Step 6: Final answer
    x = 2,235,491.34

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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.