Home / 2,157,773.25-2,977,712.42-1,190,903.52

Finding the Fourth Proportional to 2,157,773.25, 2,977,712.42 and 1,190,903.52

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Solution

The fourth proportional to 2,157,773.25, 2,977,712.42 and 1,190,903.52 is: 1,643,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,773.25 : 2,977,712.42 = 1,190,903.52 : x
  2. Step 2: Convert to fraction form
    2,157,773.25/2,977,712.42 = 1,190,903.52/x
  3. Step 3: Cross multiply
    2,157,773.25x = 2,977,712.42 × 1,190,903.52
  4. Step 4: Simplify right side
    2,157,773.25x = 3,546,168,202,525.72
  5. Step 5: Solve for x
    x = 3,546,168,202,525.72/2,157,773.25
  6. Step 6: Final answer
    x = 1,643,438.76

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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.