Finding the Fourth Proportional to 5,685,063.36, 7,845,490.08 and 3,106,852.80
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Solution
The fourth proportional to 5,685,063.36, 7,845,490.08 and 3,106,852.80 is: 4,287,512.96
Step by Step Solution
- Step 1: Write the proportion equation
5,685,063.36 : 7,845,490.08 = 3,106,852.80 : x - Step 2: Convert to fraction form
5,685,063.36/7,845,490.08 = 3,106,852.80/x - Step 3: Cross multiply
5,685,063.36x = 7,845,490.08 × 3,106,852.80 - Step 4: Simplify right side
5,685,063.36x = 24,374,782,822,420.22 - Step 5: Solve for x
x = 24,374,782,822,420.22/5,685,063.36 - Step 6: Final answer
x = 4,287,512.96
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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.