Finding the Fourth Proportional to 1,455,884.55, 2,009,135.25 and 802,533.75
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Solution
The fourth proportional to 1,455,884.55, 2,009,135.25 and 802,533.75 is: 1,107,504.61
Step by Step Solution
- Step 1: Write the proportion equation
1,455,884.55 : 2,009,135.25 = 802,533.75 : x - Step 2: Convert to fraction form
1,455,884.55/2,009,135.25 = 802,533.75/x - Step 3: Cross multiply
1,455,884.55x = 2,009,135.25 × 802,533.75 - Step 4: Simplify right side
1,455,884.55x = 1,612,398,846,439.69 - Step 5: Solve for x
x = 1,612,398,846,439.69/1,455,884.55 - Step 6: Final answer
x = 1,107,504.61
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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.