Home / 2,749,991.40-3,795,685.74-1,879,178.58

Finding the Fourth Proportional to 2,749,991.40, 3,795,685.74 and 1,879,178.58

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Solution

The fourth proportional to 2,749,991.40, 3,795,685.74 and 1,879,178.58 is: 2,593,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,991.40 : 3,795,685.74 = 1,879,178.58 : x
  2. Step 2: Convert to fraction form
    2,749,991.40/3,795,685.74 = 1,879,178.58/x
  3. Step 3: Cross multiply
    2,749,991.40x = 3,795,685.74 × 1,879,178.58
  4. Step 4: Simplify right side
    2,749,991.40x = 7,132,771,339,019.45
  5. Step 5: Solve for x
    x = 7,132,771,339,019.45/2,749,991.40
  6. Step 6: Final answer
    x = 2,593,743.14

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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.