Finding the Fourth Proportional to 1,813,579.10, 2,720,520.94 and 551,417.66
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Solution
The fourth proportional to 1,813,579.10, 2,720,520.94 and 551,417.66 is: 827,172.79
Step by Step Solution
- Step 1: Write the proportion equation
1,813,579.10 : 2,720,520.94 = 551,417.66 : x - Step 2: Convert to fraction form
1,813,579.10/2,720,520.94 = 551,417.66/x - Step 3: Cross multiply
1,813,579.10x = 2,720,520.94 × 551,417.66 - Step 4: Simplify right side
1,813,579.10x = 1,500,143,290,715.80 - Step 5: Solve for x
x = 1,500,143,290,715.80/1,813,579.10 - Step 6: Final answer
x = 827,172.79
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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.