Finding the Fourth Proportional to 2,634,920.84, 3,636,193.20 and 1,427,696.84
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Solution
The fourth proportional to 2,634,920.84, 3,636,193.20 and 1,427,696.84 is: 1,970,222.96
Step by Step Solution
- Step 1: Write the proportion equation
2,634,920.84 : 3,636,193.20 = 1,427,696.84 : x - Step 2: Convert to fraction form
2,634,920.84/3,636,193.20 = 1,427,696.84/x - Step 3: Cross multiply
2,634,920.84x = 3,636,193.20 × 1,427,696.84 - Step 4: Simplify right side
2,634,920.84x = 5,191,381,541,269.49 - Step 5: Solve for x
x = 5,191,381,541,269.49/2,634,920.84 - Step 6: Final answer
x = 1,970,222.96
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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.