Finding the Fourth Proportional to 7,084,152.36, 9,778,654.44 and 4,183,554.96
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Solution
The fourth proportional to 7,084,152.36, 9,778,654.44 and 4,183,554.96 is: 5,774,796.50
Step by Step Solution
- Step 1: Write the proportion equation
7,084,152.36 : 9,778,654.44 = 4,183,554.96 : x - Step 2: Convert to fraction form
7,084,152.36/9,778,654.44 = 4,183,554.96/x - Step 3: Cross multiply
7,084,152.36x = 9,778,654.44 × 4,183,554.96 - Step 4: Simplify right side
7,084,152.36x = 40,909,538,284,588.02 - Step 5: Solve for x
x = 40,909,538,284,588.02/7,084,152.36 - Step 6: Final answer
x = 5,774,796.50
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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.