Finding the Fourth Proportional to 5,338,994.68, 7,361,908.86 and 3,402,187.48
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Solution
The fourth proportional to 5,338,994.68, 7,361,908.86 and 3,402,187.48 is: 4,691,256.62
Step by Step Solution
- Step 1: Write the proportion equation
5,338,994.68 : 7,361,908.86 = 3,402,187.48 : x - Step 2: Convert to fraction form
5,338,994.68/7,361,908.86 = 3,402,187.48/x - Step 3: Cross multiply
5,338,994.68x = 7,361,908.86 × 3,402,187.48 - Step 4: Simplify right side
5,338,994.68x = 25,046,594,152,393.07 - Step 5: Solve for x
x = 25,046,594,152,393.07/5,338,994.68 - Step 6: Final answer
x = 4,691,256.62
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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.