Finding the Fourth Proportional to 4,489,947.97, 6,196,133.81 and 2,556,208.51
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Solution
The fourth proportional to 4,489,947.97, 6,196,133.81 and 2,556,208.51 is: 3,527,570.94
Step by Step Solution
- Step 1: Write the proportion equation
4,489,947.97 : 6,196,133.81 = 2,556,208.51 : x - Step 2: Convert to fraction form
4,489,947.97/6,196,133.81 = 2,556,208.51/x - Step 3: Cross multiply
4,489,947.97x = 6,196,133.81 × 2,556,208.51 - Step 4: Simplify right side
4,489,947.97x = 15,838,609,965,120.91 - Step 5: Solve for x
x = 15,838,609,965,120.91/4,489,947.97 - Step 6: Final answer
x = 3,527,570.94
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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.