Finding the Fourth Proportional to 1,971,204.54, 2,719,748.21 and 1,154,969.66
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Solution
The fourth proportional to 1,971,204.54, 2,719,748.21 and 1,154,969.66 is: 1,593,556.94
Step by Step Solution
- Step 1: Write the proportion equation
1,971,204.54 : 2,719,748.21 = 1,154,969.66 : x - Step 2: Convert to fraction form
1,971,204.54/2,719,748.21 = 1,154,969.66/x - Step 3: Cross multiply
1,971,204.54x = 2,719,748.21 × 1,154,969.66 - Step 4: Simplify right side
1,971,204.54x = 3,141,226,665,389.31 - Step 5: Solve for x
x = 3,141,226,665,389.31/1,971,204.54 - Step 6: Final answer
x = 1,593,556.94
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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.