Home / 1,954,255.21-2,931,975.43-943,188.71

Finding the Fourth Proportional to 1,954,255.21, 2,931,975.43 and 943,188.71

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Solution

The fourth proportional to 1,954,255.21, 2,931,975.43 and 943,188.71 is: 1,415,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,255.21 : 2,931,975.43 = 943,188.71 : x
  2. Step 2: Convert to fraction form
    1,954,255.21/2,931,975.43 = 943,188.71/x
  3. Step 3: Cross multiply
    1,954,255.21x = 2,931,975.43 × 943,188.71
  4. Step 4: Simplify right side
    1,954,255.21x = 2,765,406,106,555.55
  5. Step 5: Solve for x
    x = 2,765,406,106,555.55/1,954,255.21
  6. Step 6: Final answer
    x = 1,415,069.07

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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.