Finding the Fourth Proportional to 1,497,544.74, 2,068,316.55 and 1,006,661.97
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Solution
The fourth proportional to 1,497,544.74, 2,068,316.55 and 1,006,661.97 is: 1,390,339.51
Step by Step Solution
- Step 1: Write the proportion equation
1,497,544.74 : 2,068,316.55 = 1,006,661.97 : x - Step 2: Convert to fraction form
1,497,544.74/2,068,316.55 = 1,006,661.97/x - Step 3: Cross multiply
1,497,544.74x = 2,068,316.55 × 1,006,661.97 - Step 4: Simplify right side
1,497,544.74x = 2,082,095,612,806.60 - Step 5: Solve for x
x = 2,082,095,612,806.60/1,497,544.74 - Step 6: Final answer
x = 1,390,339.51
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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.