Finding the Fourth Proportional to 2,023,161.77, 2,791,930.65 and 1,105,371.20
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Solution
The fourth proportional to 2,023,161.77, 2,791,930.65 and 1,105,371.20 is: 1,525,394.45
Step by Step Solution
- Step 1: Write the proportion equation
2,023,161.77 : 2,791,930.65 = 1,105,371.20 : x - Step 2: Convert to fraction form
2,023,161.77/2,791,930.65 = 1,105,371.20/x - Step 3: Cross multiply
2,023,161.77x = 2,791,930.65 × 1,105,371.20 - Step 4: Simplify right side
2,023,161.77x = 3,086,119,725,437.91 - Step 5: Solve for x
x = 3,086,119,725,437.91/2,023,161.77 - Step 6: Final answer
x = 1,525,394.45
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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.