Home / 6,498,040.45-8,966,954.86-3,557,293.78

Finding the Fourth Proportional to 6,498,040.45, 8,966,954.86 and 3,557,293.78

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Solution

The fourth proportional to 6,498,040.45, 8,966,954.86 and 3,557,293.78 is: 4,908,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,040.45 : 8,966,954.86 = 3,557,293.78 : x
  2. Step 2: Convert to fraction form
    6,498,040.45/8,966,954.86 = 3,557,293.78/x
  3. Step 3: Cross multiply
    6,498,040.45x = 8,966,954.86 × 3,557,293.78
  4. Step 4: Simplify right side
    6,498,040.45x = 31,898,092,749,018.77
  5. Step 5: Solve for x
    x = 31,898,092,749,018.77/6,498,040.45
  6. Step 6: Final answer
    x = 4,908,878.76

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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.