Finding the Fourth Proportional to 5,329,142.61, 7,353,772.68 and 3,005,907.09
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Solution
The fourth proportional to 5,329,142.61, 7,353,772.68 and 3,005,907.09 is: 4,147,901.28
Step by Step Solution
- Step 1: Write the proportion equation
5,329,142.61 : 7,353,772.68 = 3,005,907.09 : x - Step 2: Convert to fraction form
5,329,142.61/7,353,772.68 = 3,005,907.09/x - Step 3: Cross multiply
5,329,142.61x = 7,353,772.68 × 3,005,907.09 - Step 4: Simplify right side
5,329,142.61x = 22,104,757,437,060.30 - Step 5: Solve for x
x = 22,104,757,437,060.30/5,329,142.61 - Step 6: Final answer
x = 4,147,901.28
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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.