Home / 4,077,278.20-6,115,917.30-1,237,385.80

Finding the Fourth Proportional to 4,077,278.20, 6,115,917.30 and 1,237,385.80

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Solution

The fourth proportional to 4,077,278.20, 6,115,917.30 and 1,237,385.80 is: 1,856,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077,278.20 : 6,115,917.30 = 1,237,385.80 : x
  2. Step 2: Convert to fraction form
    4,077,278.20/6,115,917.30 = 1,237,385.80/x
  3. Step 3: Cross multiply
    4,077,278.20x = 6,115,917.30 × 1,237,385.80
  4. Step 4: Simplify right side
    4,077,278.20x = 7,567,749,220,994.34
  5. Step 5: Solve for x
    x = 7,567,749,220,994.34/4,077,278.20
  6. Step 6: Final answer
    x = 1,856,078.70

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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.