Home / 6,263,672-8,643,720.34-3,685,519.76

Finding the Fourth Proportional to 6,263,672, 8,643,720.34 and 3,685,519.76

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Solution

The fourth proportional to 6,263,672, 8,643,720.34 and 3,685,519.76 is: 5,085,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263,672 : 8,643,720.34 = 3,685,519.76 : x
  2. Step 2: Convert to fraction form
    6,263,672/8,643,720.34 = 3,685,519.76/x
  3. Step 3: Cross multiply
    6,263,672x = 8,643,720.34 × 3,685,519.76
  4. Step 4: Simplify right side
    6,263,672x = 31,856,602,112,983.91
  5. Step 5: Solve for x
    x = 31,856,602,112,983.91/6,263,672
  6. Step 6: Final answer
    x = 5,085,930.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.