Home / 4,689,216.72-7,032,840.66-1,322,636.40

Finding the Fourth Proportional to 4,689,216.72, 7,032,840.66 and 1,322,636.40

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Solution

The fourth proportional to 4,689,216.72, 7,032,840.66 and 1,322,636.40 is: 1,983,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689,216.72 : 7,032,840.66 = 1,322,636.40 : x
  2. Step 2: Convert to fraction form
    4,689,216.72/7,032,840.66 = 1,322,636.40/x
  3. Step 3: Cross multiply
    4,689,216.72x = 7,032,840.66 × 1,322,636.40
  4. Step 4: Simplify right side
    4,689,216.72x = 9,301,891,052,316.02
  5. Step 5: Solve for x
    x = 9,301,891,052,316.02/4,689,216.72
  6. Step 6: Final answer
    x = 1,983,676.94

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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.