Finding the Fourth Proportional to 2,596,895.36, 3,913,068.74 and 2,133,951.20
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Solution
The fourth proportional to 2,596,895.36, 3,913,068.74 and 2,133,951.20 is: 3,215,492.56
Step by Step Solution
- Step 1: Write the proportion equation
2,596,895.36 : 3,913,068.74 = 2,133,951.20 : x - Step 2: Convert to fraction form
2,596,895.36/3,913,068.74 = 2,133,951.20/x - Step 3: Cross multiply
2,596,895.36x = 3,913,068.74 × 2,133,951.20 - Step 4: Simplify right side
2,596,895.36x = 8,350,297,703,170.39 - Step 5: Solve for x
x = 8,350,297,703,170.39/2,596,895.36 - Step 6: Final answer
x = 3,215,492.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.