Finding the Fourth Proportional to 1,310,504.80, 1,809,054.56 and 881,034.08
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Solution
The fourth proportional to 1,310,504.80, 1,809,054.56 and 881,034.08 is: 1,216,202.12
Step by Step Solution
- Step 1: Write the proportion equation
1,310,504.80 : 1,809,054.56 = 881,034.08 : x - Step 2: Convert to fraction form
1,310,504.80/1,809,054.56 = 881,034.08/x - Step 3: Cross multiply
1,310,504.80x = 1,809,054.56 × 881,034.08 - Step 4: Simplify right side
1,310,504.80x = 1,593,838,719,939.40 - Step 5: Solve for x
x = 1,593,838,719,939.40/1,310,504.80 - Step 6: Final answer
x = 1,216,202.12
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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.