Finding the Fourth Proportional to 1,532,735.08, 2,115,174.81 and 888,530.20
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Solution
The fourth proportional to 1,532,735.08, 2,115,174.81 and 888,530.20 is: 1,226,171.91
Step by Step Solution
- Step 1: Write the proportion equation
1,532,735.08 : 2,115,174.81 = 888,530.20 : x - Step 2: Convert to fraction form
1,532,735.08/2,115,174.81 = 888,530.20/x - Step 3: Cross multiply
1,532,735.08x = 2,115,174.81 × 888,530.20 - Step 4: Simplify right side
1,532,735.08x = 1,879,396,696,964.26 - Step 5: Solve for x
x = 1,879,396,696,964.26/1,532,735.08 - Step 6: Final answer
x = 1,226,171.91
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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.