Finding the Fourth Proportional to 2,110,197.42, 2,912,068.42 and 1,143,353.88
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Solution
The fourth proportional to 2,110,197.42, 2,912,068.42 and 1,143,353.88 is: 1,577,826.18
Step by Step Solution
- Step 1: Write the proportion equation
2,110,197.42 : 2,912,068.42 = 1,143,353.88 : x - Step 2: Convert to fraction form
2,110,197.42/2,912,068.42 = 1,143,353.88/x - Step 3: Cross multiply
2,110,197.42x = 2,912,068.42 × 1,143,353.88 - Step 4: Simplify right side
2,110,197.42x = 3,329,524,726,832.47 - Step 5: Solve for x
x = 3,329,524,726,832.47/2,110,197.42 - Step 6: Final answer
x = 1,577,826.18
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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.