Finding the Fourth Proportional to 3,183,947.99, 4,766,953.40 and 2,861,097.58
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Solution
The fourth proportional to 3,183,947.99, 4,766,953.40 and 2,861,097.58 is: 4,283,587.20
Step by Step Solution
- Step 1: Write the proportion equation
3,183,947.99 : 4,766,953.40 = 2,861,097.58 : x - Step 2: Convert to fraction form
3,183,947.99/4,766,953.40 = 2,861,097.58/x - Step 3: Cross multiply
3,183,947.99x = 4,766,953.40 × 2,861,097.58 - Step 4: Simplify right side
3,183,947.99x = 13,638,718,839,095.09 - Step 5: Solve for x
x = 13,638,718,839,095.09/3,183,947.99 - Step 6: Final answer
x = 4,283,587.20
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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.