Home / 3,651,749.42-5,039,562.54-2,020,128.65

Finding the Fourth Proportional to 3,651,749.42, 5,039,562.54 and 2,020,128.65

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Solution

The fourth proportional to 3,651,749.42, 5,039,562.54 and 2,020,128.65 is: 2,787,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651,749.42 : 5,039,562.54 = 2,020,128.65 : x
  2. Step 2: Convert to fraction form
    3,651,749.42/5,039,562.54 = 2,020,128.65/x
  3. Step 3: Cross multiply
    3,651,749.42x = 5,039,562.54 × 2,020,128.65
  4. Step 4: Simplify right side
    3,651,749.42x = 10,180,564,645,322.96
  5. Step 5: Solve for x
    x = 10,180,564,645,322.96/3,651,749.42
  6. Step 6: Final answer
    x = 2,787,859.60

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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.