Finding the Fourth Proportional to 3,415,678.84, 5,125,290.54 and 1,521,979.84
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Solution
The fourth proportional to 3,415,678.84, 5,125,290.54 and 1,521,979.84 is: 2,283,759.46
Step by Step Solution
- Step 1: Write the proportion equation
3,415,678.84 : 5,125,290.54 = 1,521,979.84 : x - Step 2: Convert to fraction form
3,415,678.84/5,125,290.54 = 1,521,979.84/x - Step 3: Cross multiply
3,415,678.84x = 5,125,290.54 × 1,521,979.84 - Step 4: Simplify right side
3,415,678.84x = 7,800,588,876,022.71 - Step 5: Solve for x
x = 7,800,588,876,022.71/3,415,678.84 - Step 6: Final answer
x = 2,283,759.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.