Finding the Fourth Proportional to 1,439,906.18, 2,160,181.36 and 541,355.70
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Solution
The fourth proportional to 1,439,906.18, 2,160,181.36 and 541,355.70 is: 812,154.64
Step by Step Solution
- Step 1: Write the proportion equation
1,439,906.18 : 2,160,181.36 = 541,355.70 : x - Step 2: Convert to fraction form
1,439,906.18/2,160,181.36 = 541,355.70/x - Step 3: Cross multiply
1,439,906.18x = 2,160,181.36 × 541,355.70 - Step 4: Simplify right side
1,439,906.18x = 1,169,426,492,269.75 - Step 5: Solve for x
x = 1,169,426,492,269.75/1,439,906.18 - Step 6: Final answer
x = 812,154.64
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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.