Home / 2,291,145.95-3,161,813.80-1,258,749.16

Finding the Fourth Proportional to 2,291,145.95, 3,161,813.80 and 1,258,749.16

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Solution

The fourth proportional to 2,291,145.95, 3,161,813.80 and 1,258,749.16 is: 1,737,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,145.95 : 3,161,813.80 = 1,258,749.16 : x
  2. Step 2: Convert to fraction form
    2,291,145.95/3,161,813.80 = 1,258,749.16/x
  3. Step 3: Cross multiply
    2,291,145.95x = 3,161,813.80 × 1,258,749.16
  4. Step 4: Simplify right side
    2,291,145.95x = 3,979,930,453,775.00
  5. Step 5: Solve for x
    x = 3,979,930,453,775.00/2,291,145.95
  6. Step 6: Final answer
    x = 1,737,091.63

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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.