Finding the Fourth Proportional to 3,602,079.14, 4,970,987.60 and 2,053,313.17
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Solution
The fourth proportional to 3,602,079.14, 4,970,987.60 and 2,053,313.17 is: 2,833,639.66
Step by Step Solution
- Step 1: Write the proportion equation
3,602,079.14 : 4,970,987.60 = 2,053,313.17 : x - Step 2: Convert to fraction form
3,602,079.14/4,970,987.60 = 2,053,313.17/x - Step 3: Cross multiply
3,602,079.14x = 4,970,987.60 × 2,053,313.17 - Step 4: Simplify right side
3,602,079.14x = 10,206,994,284,292.66 - Step 5: Solve for x
x = 10,206,994,284,292.66/3,602,079.14 - Step 6: Final answer
x = 2,833,639.66
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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.