Finding the Fourth Proportional to 2,628,644.93, 3,578,868.53 and 2,620,548.17
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Solution
The fourth proportional to 2,628,644.93, 3,578,868.53 and 2,620,548.17 is: 3,567,844.89
Step by Step Solution
- Step 1: Write the proportion equation
2,628,644.93 : 3,578,868.53 = 2,620,548.17 : x - Step 2: Convert to fraction form
2,628,644.93/3,578,868.53 = 2,620,548.17/x - Step 3: Cross multiply
2,628,644.93x = 3,578,868.53 × 2,620,548.17 - Step 4: Simplify right side
2,628,644.93x = 9,378,597,376,962.09 - Step 5: Solve for x
x = 9,378,597,376,962.09/2,628,644.93 - Step 6: Final answer
x = 3,567,844.89
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.