Finding the Fourth Proportional to 2,552,140.80, 3,522,202.49 and 1,906,439.99
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Solution
The fourth proportional to 2,552,140.80, 3,522,202.49 and 1,906,439.99 is: 2,631,072.58
Step by Step Solution
- Step 1: Write the proportion equation
2,552,140.80 : 3,522,202.49 = 1,906,439.99 : x - Step 2: Convert to fraction form
2,552,140.80/3,522,202.49 = 1,906,439.99/x - Step 3: Cross multiply
2,552,140.80x = 3,522,202.49 × 1,906,439.99 - Step 4: Simplify right side
2,552,140.80x = 6,714,867,666,968.66 - Step 5: Solve for x
x = 6,714,867,666,968.66/2,552,140.80 - Step 6: Final answer
x = 2,631,072.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.