Home / 3,258,939.32-4,886,768.72-1,128,451.40

Finding the Fourth Proportional to 3,258,939.32, 4,886,768.72 and 1,128,451.40

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Solution

The fourth proportional to 3,258,939.32, 4,886,768.72 and 1,128,451.40 is: 1,692,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,939.32 : 4,886,768.72 = 1,128,451.40 : x
  2. Step 2: Convert to fraction form
    3,258,939.32/4,886,768.72 = 1,128,451.40/x
  3. Step 3: Cross multiply
    3,258,939.32x = 4,886,768.72 × 1,128,451.40
  4. Step 4: Simplify right side
    3,258,939.32x = 5,514,481,003,560.21
  5. Step 5: Solve for x
    x = 5,514,481,003,560.21/3,258,939.32
  6. Step 6: Final answer
    x = 1,692,109.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.