Finding the Fourth Proportional to 1,474,552.29, 2,034,752.44 and 821,128.94
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Solution
The fourth proportional to 1,474,552.29, 2,034,752.44 and 821,128.94 is: 1,133,085.69
Step by Step Solution
- Step 1: Write the proportion equation
1,474,552.29 : 2,034,752.44 = 821,128.94 : x - Step 2: Convert to fraction form
1,474,552.29/2,034,752.44 = 821,128.94/x - Step 3: Cross multiply
1,474,552.29x = 2,034,752.44 × 821,128.94 - Step 4: Simplify right side
1,474,552.29x = 1,670,794,109,623.35 - Step 5: Solve for x
x = 1,670,794,109,623.35/1,474,552.29 - Step 6: Final answer
x = 1,133,085.69
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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.