Finding the Fourth Proportional to 1,961,190.36, 2,706,558.30 and 1,476,901.08
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Solution
The fourth proportional to 1,961,190.36, 2,706,558.30 and 1,476,901.08 is: 2,038,210.55
Step by Step Solution
- Step 1: Write the proportion equation
1,961,190.36 : 2,706,558.30 = 1,476,901.08 : x - Step 2: Convert to fraction form
1,961,190.36/2,706,558.30 = 1,476,901.08/x - Step 3: Cross multiply
1,961,190.36x = 2,706,558.30 × 1,476,901.08 - Step 4: Simplify right side
1,961,190.36x = 3,997,318,876,352.96 - Step 5: Solve for x
x = 3,997,318,876,352.96/1,961,190.36 - Step 6: Final answer
x = 2,038,210.55
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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.