Finding the Fourth Proportional to 1,963,912.92, 2,708,662.93 and 1,344,085.53
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Solution
The fourth proportional to 1,963,912.92, 2,708,662.93 and 1,344,085.53 is: 1,853,786.19
Step by Step Solution
- Step 1: Write the proportion equation
1,963,912.92 : 2,708,662.93 = 1,344,085.53 : x - Step 2: Convert to fraction form
1,963,912.92/2,708,662.93 = 1,344,085.53/x - Step 3: Cross multiply
1,963,912.92x = 2,708,662.93 × 1,344,085.53 - Step 4: Simplify right side
1,963,912.92x = 3,640,674,646,500.19 - Step 5: Solve for x
x = 3,640,674,646,500.19/1,963,912.92 - Step 6: Final answer
x = 1,853,786.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.