Finding the Fourth Proportional to 2,511,636.68, 3,767,585.70 and 828,871.40
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Solution
The fourth proportional to 2,511,636.68, 3,767,585.70 and 828,871.40 is: 1,243,350.23
Step by Step Solution
- Step 1: Write the proportion equation
2,511,636.68 : 3,767,585.70 = 828,871.40 : x - Step 2: Convert to fraction form
2,511,636.68/3,767,585.70 = 828,871.40/x - Step 3: Cross multiply
2,511,636.68x = 3,767,585.70 × 828,871.40 - Step 4: Simplify right side
2,511,636.68x = 3,122,844,033,778.98 - Step 5: Solve for x
x = 3,122,844,033,778.98/2,511,636.68 - Step 6: Final answer
x = 1,243,350.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.