Finding the Fourth Proportional to 4,629,915.48, 6,389,214.35 and 2,564,926.73
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Solution
The fourth proportional to 4,629,915.48, 6,389,214.35 and 2,564,926.73 is: 3,539,560.65
Step by Step Solution
- Step 1: Write the proportion equation
4,629,915.48 : 6,389,214.35 = 2,564,926.73 : x - Step 2: Convert to fraction form
4,629,915.48/6,389,214.35 = 2,564,926.73/x - Step 3: Cross multiply
4,629,915.48x = 6,389,214.35 × 2,564,926.73 - Step 4: Simplify right side
4,629,915.48x = 16,387,866,625,243.87 - Step 5: Solve for x
x = 16,387,866,625,243.87/4,629,915.48 - Step 6: Final answer
x = 3,539,560.65
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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.