Finding the Fourth Proportional to 1,841,046.14, 2,540,130.36 and 1,187,395.58
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Solution
The fourth proportional to 1,841,046.14, 2,540,130.36 and 1,187,395.58 is: 1,638,274.84
Step by Step Solution
- Step 1: Write the proportion equation
1,841,046.14 : 2,540,130.36 = 1,187,395.58 : x - Step 2: Convert to fraction form
1,841,046.14/2,540,130.36 = 1,187,395.58/x - Step 3: Cross multiply
1,841,046.14x = 2,540,130.36 × 1,187,395.58 - Step 4: Simplify right side
1,841,046.14x = 3,016,139,562,087.81 - Step 5: Solve for x
x = 3,016,139,562,087.81/1,841,046.14 - Step 6: Final answer
x = 1,638,274.84
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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.