Finding the Fourth Proportional to 5,112,133.68, 7,626,335.44 and 4,973,138.72
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Solution
The fourth proportional to 5,112,133.68, 7,626,335.44 and 4,973,138.72 is: 7,418,981.28
Step by Step Solution
- Step 1: Write the proportion equation
5,112,133.68 : 7,626,335.44 = 4,973,138.72 : x - Step 2: Convert to fraction form
5,112,133.68/7,626,335.44 = 4,973,138.72/x - Step 3: Cross multiply
5,112,133.68x = 7,626,335.44 × 4,973,138.72 - Step 4: Simplify right side
5,112,133.68x = 37,926,824,068,372.23 - Step 5: Solve for x
x = 37,926,824,068,372.23/5,112,133.68 - Step 6: Final answer
x = 7,418,981.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.