Finding the Fourth Proportional to 1,965,001.68, 2,711,661.84 and 1,105,552.80
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Solution
The fourth proportional to 1,965,001.68, 2,711,661.84 and 1,105,552.80 is: 1,525,640.09
Step by Step Solution
- Step 1: Write the proportion equation
1,965,001.68 : 2,711,661.84 = 1,105,552.80 : x - Step 2: Convert to fraction form
1,965,001.68/2,711,661.84 = 1,105,552.80/x - Step 3: Cross multiply
1,965,001.68x = 2,711,661.84 × 1,105,552.80 - Step 4: Simplify right side
1,965,001.68x = 2,997,885,339,865.15 - Step 5: Solve for x
x = 2,997,885,339,865.15/1,965,001.68 - Step 6: Final answer
x = 1,525,640.09
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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.