Finding the Fourth Proportional to 2,876,467.77, 4,313,580.21 and 1,078,371.05
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Solution
The fourth proportional to 2,876,467.77, 4,313,580.21 and 1,078,371.05 is: 1,617,136.14
Step by Step Solution
- Step 1: Write the proportion equation
2,876,467.77 : 4,313,580.21 = 1,078,371.05 : x - Step 2: Convert to fraction form
2,876,467.77/4,313,580.21 = 1,078,371.05/x - Step 3: Cross multiply
2,876,467.77x = 4,313,580.21 × 1,078,371.05 - Step 4: Simplify right side
2,876,467.77x = 4,651,639,998,749.02 - Step 5: Solve for x
x = 4,651,639,998,749.02/2,876,467.77 - Step 6: Final answer
x = 1,617,136.14
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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.