Finding the Fourth Proportional to 4,654,935.74, 6,982,665.88 and 1,416,578.73
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Solution
The fourth proportional to 4,654,935.74, 6,982,665.88 and 1,416,578.73 is: 2,124,947.90
Step by Step Solution
- Step 1: Write the proportion equation
4,654,935.74 : 6,982,665.88 = 1,416,578.73 : x - Step 2: Convert to fraction form
4,654,935.74/6,982,665.88 = 1,416,578.73/x - Step 3: Cross multiply
4,654,935.74x = 6,982,665.88 × 1,416,578.73 - Step 4: Simplify right side
4,654,935.74x = 9,891,495,933,250.10 - Step 5: Solve for x
x = 9,891,495,933,250.10/4,654,935.74 - Step 6: Final answer
x = 2,124,947.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.