Home / 3,071,682.75-4,239,765.41-1,782,938.33

Finding the Fourth Proportional to 3,071,682.75, 4,239,765.41 and 1,782,938.33

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Solution

The fourth proportional to 3,071,682.75, 4,239,765.41 and 1,782,938.33 is: 2,460,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,682.75 : 4,239,765.41 = 1,782,938.33 : x
  2. Step 2: Convert to fraction form
    3,071,682.75/4,239,765.41 = 1,782,938.33/x
  3. Step 3: Cross multiply
    3,071,682.75x = 4,239,765.41 × 1,782,938.33
  4. Step 4: Simplify right side
    3,071,682.75x = 7,559,240,253,555.10
  5. Step 5: Solve for x
    x = 7,559,240,253,555.10/3,071,682.75
  6. Step 6: Final answer
    x = 2,460,944.33

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1.5x scale

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.