Finding the Fourth Proportional to 1,896,149.05, 2,616,044.75 and 1,079,773.84
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Solution
The fourth proportional to 1,896,149.05, 2,616,044.75 and 1,079,773.84 is: 1,489,722.92
Step by Step Solution
- Step 1: Write the proportion equation
1,896,149.05 : 2,616,044.75 = 1,079,773.84 : x - Step 2: Convert to fraction form
1,896,149.05/2,616,044.75 = 1,079,773.84/x - Step 3: Cross multiply
1,896,149.05x = 2,616,044.75 × 1,079,773.84 - Step 4: Simplify right side
1,896,149.05x = 2,824,736,687,239.68 - Step 5: Solve for x
x = 2,824,736,687,239.68/1,896,149.05 - Step 6: Final answer
x = 1,489,722.92
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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.