Home / 1,638,514.36-2,458,886.10-1,005,496.12

Finding the Fourth Proportional to 1,638,514.36, 2,458,886.10 and 1,005,496.12

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Solution

The fourth proportional to 1,638,514.36, 2,458,886.10 and 1,005,496.12 is: 1,508,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,514.36 : 2,458,886.10 = 1,005,496.12 : x
  2. Step 2: Convert to fraction form
    1,638,514.36/2,458,886.10 = 1,005,496.12/x
  3. Step 3: Cross multiply
    1,638,514.36x = 2,458,886.10 × 1,005,496.12
  4. Step 4: Simplify right side
    1,638,514.36x = 2,472,400,415,750.02
  5. Step 5: Solve for x
    x = 2,472,400,415,750.02/1,638,514.36
  6. Step 6: Final answer
    x = 1,508,928.14

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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.