Finding the Fourth Proportional to 4,986,695.68, 6,881,343.39 and 2,893,376.49
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Solution
The fourth proportional to 4,986,695.68, 6,881,343.39 and 2,893,376.49 is: 3,992,687.44
Step by Step Solution
- Step 1: Write the proportion equation
4,986,695.68 : 6,881,343.39 = 2,893,376.49 : x - Step 2: Convert to fraction form
4,986,695.68/6,881,343.39 = 2,893,376.49/x - Step 3: Cross multiply
4,986,695.68x = 6,881,343.39 × 2,893,376.49 - Step 4: Simplify right side
4,986,695.68x = 19,910,317,184,242.90 - Step 5: Solve for x
x = 19,910,317,184,242.90/4,986,695.68 - Step 6: Final answer
x = 3,992,687.44
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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.