Finding the Fourth Proportional to 2,545,447.68, 3,512,623.32 and 1,399,459.68
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Solution
The fourth proportional to 2,545,447.68, 3,512,623.32 and 1,399,459.68 is: 1,931,202.42
Step by Step Solution
- Step 1: Write the proportion equation
2,545,447.68 : 3,512,623.32 = 1,399,459.68 : x - Step 2: Convert to fraction form
2,545,447.68/3,512,623.32 = 1,399,459.68/x - Step 3: Cross multiply
2,545,447.68x = 3,512,623.32 × 1,399,459.68 - Step 4: Simplify right side
2,545,447.68x = 4,915,774,707,367.74 - Step 5: Solve for x
x = 4,915,774,707,367.74/2,545,447.68 - Step 6: Final answer
x = 1,931,202.42
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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.