Finding the Fourth Proportional to 2,551,243.68, 3,520,965.24 and 1,905,544.08
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Solution
The fourth proportional to 2,551,243.68, 3,520,965.24 and 1,905,544.08 is: 2,629,836.78
Step by Step Solution
- Step 1: Write the proportion equation
2,551,243.68 : 3,520,965.24 = 1,905,544.08 : x - Step 2: Convert to fraction form
2,551,243.68/3,520,965.24 = 1,905,544.08/x - Step 3: Cross multiply
2,551,243.68x = 3,520,965.24 × 1,905,544.08 - Step 4: Simplify right side
2,551,243.68x = 6,709,354,468,967.78 - Step 5: Solve for x
x = 6,709,354,468,967.78/2,551,243.68 - Step 6: Final answer
x = 2,629,836.78
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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.