Home / 3,258,937.32-4,886,765.73-1,128,449.40

Finding the Fourth Proportional to 3,258,937.32, 4,886,765.73 and 1,128,449.40

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Solution

The fourth proportional to 3,258,937.32, 4,886,765.73 and 1,128,449.40 is: 1,692,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,937.32 : 4,886,765.73 = 1,128,449.40 : x
  2. Step 2: Convert to fraction form
    3,258,937.32/4,886,765.73 = 1,128,449.40/x
  3. Step 3: Cross multiply
    3,258,937.32x = 4,886,765.73 × 1,128,449.40
  4. Step 4: Simplify right side
    3,258,937.32x = 5,514,467,855,959.06
  5. Step 5: Solve for x
    x = 5,514,467,855,959.06/3,258,937.32
  6. Step 6: Final answer
    x = 1,692,106.14

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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.