Home / 2,838,114.72-4,254,911.64-1,638,676.44

Finding the Fourth Proportional to 2,838,114.72, 4,254,911.64 and 1,638,676.44

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Solution

The fourth proportional to 2,838,114.72, 4,254,911.64 and 1,638,676.44 is: 2,456,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,114.72 : 4,254,911.64 = 1,638,676.44 : x
  2. Step 2: Convert to fraction form
    2,838,114.72/4,254,911.64 = 1,638,676.44/x
  3. Step 3: Cross multiply
    2,838,114.72x = 4,254,911.64 × 1,638,676.44
  4. Step 4: Simplify right side
    2,838,114.72x = 6,972,423,458,749.76
  5. Step 5: Solve for x
    x = 6,972,423,458,749.76/2,838,114.72
  6. Step 6: Final answer
    x = 2,456,709.52

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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.