Finding the Fourth Proportional to 1,678,352.40, 2,511,623.70 and 1,536,634.80
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Solution
The fourth proportional to 1,678,352.40, 2,511,623.70 and 1,536,634.80 is: 2,299,545.90
Step by Step Solution
- Step 1: Write the proportion equation
1,678,352.40 : 2,511,623.70 = 1,536,634.80 : x - Step 2: Convert to fraction form
1,678,352.40/2,511,623.70 = 1,536,634.80/x - Step 3: Cross multiply
1,678,352.40x = 2,511,623.70 × 1,536,634.80 - Step 4: Simplify right side
1,678,352.40x = 3,859,448,381,924.76 - Step 5: Solve for x
x = 3,859,448,381,924.76/1,678,352.40 - Step 6: Final answer
x = 2,299,545.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.