Finding the Fourth Proportional to 2,072,023.81, 2,859,481.05 and 1,154,251.84
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Solution
The fourth proportional to 2,072,023.81, 2,859,481.05 and 1,154,251.84 is: 1,592,916.66
Step by Step Solution
- Step 1: Write the proportion equation
2,072,023.81 : 2,859,481.05 = 1,154,251.84 : x - Step 2: Convert to fraction form
2,072,023.81/2,859,481.05 = 1,154,251.84/x - Step 3: Cross multiply
2,072,023.81x = 2,859,481.05 × 1,154,251.84 - Step 4: Simplify right side
2,072,023.81x = 3,300,561,249,110.23 - Step 5: Solve for x
x = 3,300,561,249,110.23/2,072,023.81 - Step 6: Final answer
x = 1,592,916.66
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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.