Finding the Fourth Proportional to 1,934,448.42, 2,666,725.29 and 1,351,862.79
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Solution
The fourth proportional to 1,934,448.42, 2,666,725.29 and 1,351,862.79 is: 1,863,604.45
Step by Step Solution
- Step 1: Write the proportion equation
1,934,448.42 : 2,666,725.29 = 1,351,862.79 : x - Step 2: Convert to fraction form
1,934,448.42/2,666,725.29 = 1,351,862.79/x - Step 3: Cross multiply
1,934,448.42x = 2,666,725.29 × 1,351,862.79 - Step 4: Simplify right side
1,934,448.42x = 3,605,046,690,702.96 - Step 5: Solve for x
x = 3,605,046,690,702.96/1,934,448.42 - Step 6: Final answer
x = 1,863,604.45
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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.