Finding the Fourth Proportional to 1,382,111.40, 2,073,272.05 and 471,010.70
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Solution
The fourth proportional to 1,382,111.40, 2,073,272.05 and 471,010.70 is: 706,551.82
Step by Step Solution
- Step 1: Write the proportion equation
1,382,111.40 : 2,073,272.05 = 471,010.70 : x - Step 2: Convert to fraction form
1,382,111.40/2,073,272.05 = 471,010.70/x - Step 3: Cross multiply
1,382,111.40x = 2,073,272.05 × 471,010.70 - Step 4: Simplify right side
1,382,111.40x = 976,533,319,560.94 - Step 5: Solve for x
x = 976,533,319,560.94/1,382,111.40 - Step 6: Final answer
x = 706,551.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.