Finding the Fourth Proportional to 5,290,466.84, 7,293,991.54 and 3,426,566.12
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Solution
The fourth proportional to 5,290,466.84, 7,293,991.54 and 3,426,566.12 is: 4,724,222.84
Step by Step Solution
- Step 1: Write the proportion equation
5,290,466.84 : 7,293,991.54 = 3,426,566.12 : x - Step 2: Convert to fraction form
5,290,466.84/7,293,991.54 = 3,426,566.12/x - Step 3: Cross multiply
5,290,466.84x = 7,293,991.54 × 3,426,566.12 - Step 4: Simplify right side
5,290,466.84x = 24,993,344,290,530.62 - Step 5: Solve for x
x = 24,993,344,290,530.62/5,290,466.84 - Step 6: Final answer
x = 4,724,222.84
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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.