Finding the Fourth Proportional to 1,591,491.84, 2,196,258.97 and 866,345.06
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Solution
The fourth proportional to 1,591,491.84, 2,196,258.97 and 866,345.06 is: 1,195,556.31
Step by Step Solution
- Step 1: Write the proportion equation
1,591,491.84 : 2,196,258.97 = 866,345.06 : x - Step 2: Convert to fraction form
1,591,491.84/2,196,258.97 = 866,345.06/x - Step 3: Cross multiply
1,591,491.84x = 2,196,258.97 × 866,345.06 - Step 4: Simplify right side
1,591,491.84x = 1,902,718,109,140.19 - Step 5: Solve for x
x = 1,902,718,109,140.19/1,591,491.84 - Step 6: Final answer
x = 1,195,556.31
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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.