Finding the Fourth Proportional to 3,943,908.06, 5,917,550.94 and 1,248,452.70
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Solution
The fourth proportional to 3,943,908.06, 5,917,550.94 and 1,248,452.70 is: 1,873,213.66
Step by Step Solution
- Step 1: Write the proportion equation
3,943,908.06 : 5,917,550.94 = 1,248,452.70 : x - Step 2: Convert to fraction form
3,943,908.06/5,917,550.94 = 1,248,452.70/x - Step 3: Cross multiply
3,943,908.06x = 5,917,550.94 × 1,248,452.70 - Step 4: Simplify right side
3,943,908.06x = 7,387,782,448,430.54 - Step 5: Solve for x
x = 7,387,782,448,430.54/3,943,908.06 - Step 6: Final answer
x = 1,873,213.66
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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.