Finding the Fourth Proportional to 3,131,351.97, 4,689,054.27 and 2,063,155.56
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Solution
The fourth proportional to 3,131,351.97, 4,689,054.27 and 2,063,155.56 is: 3,089,479.71
Step by Step Solution
- Step 1: Write the proportion equation
3,131,351.97 : 4,689,054.27 = 2,063,155.56 : x - Step 2: Convert to fraction form
3,131,351.97/4,689,054.27 = 2,063,155.56/x - Step 3: Cross multiply
3,131,351.97x = 4,689,054.27 × 2,063,155.56 - Step 4: Simplify right side
3,131,351.97x = 9,674,248,388,292.24 - Step 5: Solve for x
x = 9,674,248,388,292.24/3,131,351.97 - Step 6: Final answer
x = 3,089,479.71
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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.