Finding the Fourth Proportional to 4,829,380.99, 6,663,091.59 and 2,894,935.75
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Solution
The fourth proportional to 4,829,380.99, 6,663,091.59 and 2,894,935.75 is: 3,994,139.64
Step by Step Solution
- Step 1: Write the proportion equation
4,829,380.99 : 6,663,091.59 = 2,894,935.75 : x - Step 2: Convert to fraction form
4,829,380.99/6,663,091.59 = 2,894,935.75/x - Step 3: Cross multiply
4,829,380.99x = 6,663,091.59 × 2,894,935.75 - Step 4: Simplify right side
4,829,380.99x = 19,289,222,032,757.61 - Step 5: Solve for x
x = 19,289,222,032,757.61/4,829,380.99 - Step 6: Final answer
x = 3,994,139.64
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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.