Finding the Fourth Proportional to 6,734,622.80, 9,293,983.12 and 3,679,033.84
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Solution
The fourth proportional to 6,734,622.80, 9,293,983.12 and 3,679,033.84 is: 5,077,177.95
Step by Step Solution
- Step 1: Write the proportion equation
6,734,622.80 : 9,293,983.12 = 3,679,033.84 : x - Step 2: Convert to fraction form
6,734,622.80/9,293,983.12 = 3,679,033.84/x - Step 3: Cross multiply
6,734,622.80x = 9,293,983.12 × 3,679,033.84 - Step 4: Simplify right side
6,734,622.80x = 34,192,878,406,868.78 - Step 5: Solve for x
x = 34,192,878,406,868.78/6,734,622.80 - Step 6: Final answer
x = 5,077,177.95
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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.