Home / 1,815,944.23-2,505,403.20-1,171,792.54

Finding the Fourth Proportional to 1,815,944.23, 2,505,403.20 and 1,171,792.54

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Solution

The fourth proportional to 1,815,944.23, 2,505,403.20 and 1,171,792.54 is: 1,616,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,944.23 : 2,505,403.20 = 1,171,792.54 : x
  2. Step 2: Convert to fraction form
    1,815,944.23/2,505,403.20 = 1,171,792.54/x
  3. Step 3: Cross multiply
    1,815,944.23x = 2,505,403.20 × 1,171,792.54
  4. Step 4: Simplify right side
    1,815,944.23x = 2,935,812,779,452.13
  5. Step 5: Solve for x
    x = 2,935,812,779,452.13/1,815,944.23
  6. Step 6: Final answer
    x = 1,616,686.64

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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.