Finding the Fourth Proportional to 1,663,871.94, 2,489,241.09 and 1,260,226.92
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Solution
The fourth proportional to 1,663,871.94, 2,489,241.09 and 1,260,226.92 is: 1,885,366.63
Step by Step Solution
- Step 1: Write the proportion equation
1,663,871.94 : 2,489,241.09 = 1,260,226.92 : x - Step 2: Convert to fraction form
1,663,871.94/2,489,241.09 = 1,260,226.92/x - Step 3: Cross multiply
1,663,871.94x = 2,489,241.09 × 1,260,226.92 - Step 4: Simplify right side
1,663,871.94x = 3,137,008,627,379.34 - Step 5: Solve for x
x = 3,137,008,627,379.34/1,663,871.94 - Step 6: Final answer
x = 1,885,366.63
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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.