Finding the Fourth Proportional to 1,806,462.12, 2,492,688.60 and 990,451.07
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Solution
The fourth proportional to 1,806,462.12, 2,492,688.60 and 990,451.07 is: 1,366,696.86
Step by Step Solution
- Step 1: Write the proportion equation
1,806,462.12 : 2,492,688.60 = 990,451.07 : x - Step 2: Convert to fraction form
1,806,462.12/2,492,688.60 = 990,451.07/x - Step 3: Cross multiply
1,806,462.12x = 2,492,688.60 × 990,451.07 - Step 4: Simplify right side
1,806,462.12x = 2,468,886,099,754.65 - Step 5: Solve for x
x = 2,468,886,099,754.65/1,806,462.12 - Step 6: Final answer
x = 1,366,696.86
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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.