Home / 3,120,657.50-4,681,498.57-961,682.97

Finding the Fourth Proportional to 3,120,657.50, 4,681,498.57 and 961,682.97

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Solution

The fourth proportional to 3,120,657.50, 4,681,498.57 and 961,682.97 is: 1,442,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,657.50 : 4,681,498.57 = 961,682.97 : x
  2. Step 2: Convert to fraction form
    3,120,657.50/4,681,498.57 = 961,682.97/x
  3. Step 3: Cross multiply
    3,120,657.50x = 4,681,498.57 × 961,682.97
  4. Step 4: Simplify right side
    3,120,657.50x = 4,502,117,444,039.94
  5. Step 5: Solve for x
    x = 4,502,117,444,039.94/3,120,657.50
  6. Step 6: Final answer
    x = 1,442,682.34

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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.