Finding the Fourth Proportional to 2,439,722.64, 3,366,891.06 and 1,351,892.44
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Solution
The fourth proportional to 2,439,722.64, 3,366,891.06 and 1,351,892.44 is: 1,865,652.47
Step by Step Solution
- Step 1: Write the proportion equation
2,439,722.64 : 3,366,891.06 = 1,351,892.44 : x - Step 2: Convert to fraction form
2,439,722.64/3,366,891.06 = 1,351,892.44/x - Step 3: Cross multiply
2,439,722.64x = 3,366,891.06 × 1,351,892.44 - Step 4: Simplify right side
2,439,722.64x = 4,551,674,570,317.59 - Step 5: Solve for x
x = 4,551,674,570,317.59/2,439,722.64 - Step 6: Final answer
x = 1,865,652.47
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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.