Finding the Fourth Proportional to 5,337,763.29, 7,366,148.57 and 2,890,374.26
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Solution
The fourth proportional to 5,337,763.29, 7,366,148.57 and 2,890,374.26 is: 3,988,735.55
Step by Step Solution
- Step 1: Write the proportion equation
5,337,763.29 : 7,366,148.57 = 2,890,374.26 : x - Step 2: Convert to fraction form
5,337,763.29/7,366,148.57 = 2,890,374.26/x - Step 3: Cross multiply
5,337,763.29x = 7,366,148.57 × 2,890,374.26 - Step 4: Simplify right side
5,337,763.29x = 21,290,926,192,459 - Step 5: Solve for x
x = 21,290,926,192,459/5,337,763.29 - Step 6: Final answer
x = 3,988,735.55
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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.