Home / 1,980,019.69-2,965,005.71-1,659,328.27

Finding the Fourth Proportional to 1,980,019.69, 2,965,005.71 and 1,659,328.27

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Solution

The fourth proportional to 1,980,019.69, 2,965,005.71 and 1,659,328.27 is: 2,484,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,019.69 : 2,965,005.71 = 1,659,328.27 : x
  2. Step 2: Convert to fraction form
    1,980,019.69/2,965,005.71 = 1,659,328.27/x
  3. Step 3: Cross multiply
    1,980,019.69x = 2,965,005.71 × 1,659,328.27
  4. Step 4: Simplify right side
    1,980,019.69x = 4,919,917,785,827.75
  5. Step 5: Solve for x
    x = 4,919,917,785,827.75/1,980,019.69
  6. Step 6: Final answer
    x = 2,484,782.26

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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.