Finding the Fourth Proportional to 2,529,516.52, 3,490,658.58 and 1,383,572.08
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Solution
The fourth proportional to 2,529,516.52, 3,490,658.58 and 1,383,572.08 is: 1,909,288.88
Step by Step Solution
- Step 1: Write the proportion equation
2,529,516.52 : 3,490,658.58 = 1,383,572.08 : x - Step 2: Convert to fraction form
2,529,516.52/3,490,658.58 = 1,383,572.08/x - Step 3: Cross multiply
2,529,516.52x = 3,490,658.58 × 1,383,572.08 - Step 4: Simplify right side
2,529,516.52x = 4,829,577,752,100.45 - Step 5: Solve for x
x = 4,829,577,752,100.45/2,529,516.52 - Step 6: Final answer
x = 1,909,288.88
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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.