Home / 2,157,895.56-2,977,683.86-1,190,963.57

Finding the Fourth Proportional to 2,157,895.56, 2,977,683.86 and 1,190,963.57

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Solution

The fourth proportional to 2,157,895.56, 2,977,683.86 and 1,190,963.57 is: 1,643,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,895.56 : 2,977,683.86 = 1,190,963.57 : x
  2. Step 2: Convert to fraction form
    2,157,895.56/2,977,683.86 = 1,190,963.57/x
  3. Step 3: Cross multiply
    2,157,895.56x = 2,977,683.86 × 1,190,963.57
  4. Step 4: Simplify right side
    2,157,895.56x = 3,546,313,000,236.98
  5. Step 5: Solve for x
    x = 3,546,313,000,236.98/2,157,895.56
  6. Step 6: Final answer
    x = 1,643,412.71

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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.