Finding the Fourth Proportional to 1,905,393.13, 2,858,651.14 and 767,569.81
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Solution
The fourth proportional to 1,905,393.13, 2,858,651.14 and 767,569.81 is: 1,151,580.89
Step by Step Solution
- Step 1: Write the proportion equation
1,905,393.13 : 2,858,651.14 = 767,569.81 : x - Step 2: Convert to fraction form
1,905,393.13/2,858,651.14 = 767,569.81/x - Step 3: Cross multiply
1,905,393.13x = 2,858,651.14 × 767,569.81 - Step 4: Simplify right side
1,905,393.13x = 2,194,214,317,961.25 - Step 5: Solve for x
x = 2,194,214,317,961.25/1,905,393.13 - Step 6: Final answer
x = 1,151,580.89
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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.