Home / 2,258,984.72-3,117,679.80-1,291,980.80

Finding the Fourth Proportional to 2,258,984.72, 3,117,679.80 and 1,291,980.80

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Solution

The fourth proportional to 2,258,984.72, 3,117,679.80 and 1,291,980.80 is: 1,783,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,984.72 : 3,117,679.80 = 1,291,980.80 : x
  2. Step 2: Convert to fraction form
    2,258,984.72/3,117,679.80 = 1,291,980.80/x
  3. Step 3: Cross multiply
    2,258,984.72x = 3,117,679.80 × 1,291,980.80
  4. Step 4: Simplify right side
    2,258,984.72x = 4,027,982,442,147.84
  5. Step 5: Solve for x
    x = 4,027,982,442,147.84/2,258,984.72
  6. Step 6: Final answer
    x = 1,783,094.15

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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.