Finding the Fourth Proportional to 2,915,142.59, 4,022,886.25 and 1,625,981.99
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Solution
The fourth proportional to 2,915,142.59, 4,022,886.25 and 1,625,981.99 is: 2,243,849.28
Step by Step Solution
- Step 1: Write the proportion equation
2,915,142.59 : 4,022,886.25 = 1,625,981.99 : x - Step 2: Convert to fraction form
2,915,142.59/4,022,886.25 = 1,625,981.99/x - Step 3: Cross multiply
2,915,142.59x = 4,022,886.25 × 1,625,981.99 - Step 4: Simplify right side
2,915,142.59x = 6,541,140,590,318.64 - Step 5: Solve for x
x = 6,541,140,590,318.64/2,915,142.59 - Step 6: Final answer
x = 2,243,849.28
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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.