Finding the Fourth Proportional to 6,643,535.16, 9,961,696.62 and 2,995,997.28
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Solution
The fourth proportional to 6,643,535.16, 9,961,696.62 and 2,995,997.28 is: 4,492,369.69
Step by Step Solution
- Step 1: Write the proportion equation
6,643,535.16 : 9,961,696.62 = 2,995,997.28 : x - Step 2: Convert to fraction form
6,643,535.16/9,961,696.62 = 2,995,997.28/x - Step 3: Cross multiply
6,643,535.16x = 9,961,696.62 × 2,995,997.28 - Step 4: Simplify right side
6,643,535.16x = 29,845,216,026,296.54 - Step 5: Solve for x
x = 29,845,216,026,296.54/6,643,535.16 - Step 6: Final answer
x = 4,492,369.69
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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.