Finding the Fourth Proportional to 7,664,001.75, 10,576,577.74 and 4,179,530.64
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Solution
The fourth proportional to 7,664,001.75, 10,576,577.74 and 4,179,530.64 is: 5,767,891.52
Step by Step Solution
- Step 1: Write the proportion equation
7,664,001.75 : 10,576,577.74 = 4,179,530.64 : x - Step 2: Convert to fraction form
7,664,001.75/10,576,577.74 = 4,179,530.64/x - Step 3: Cross multiply
7,664,001.75x = 10,576,577.74 × 4,179,530.64 - Step 4: Simplify right side
7,664,001.75x = 44,205,130,720,223.13 - Step 5: Solve for x
x = 44,205,130,720,223.13/7,664,001.75 - Step 6: Final answer
x = 5,767,891.52
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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.