Finding the Fourth Proportional to 4,006,195.68, 5,528,502.96 and 2,170,618.08
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Solution
The fourth proportional to 4,006,195.68, 5,528,502.96 and 2,170,618.08 is: 2,995,427.44
Step by Step Solution
- Step 1: Write the proportion equation
4,006,195.68 : 5,528,502.96 = 2,170,618.08 : x - Step 2: Convert to fraction form
4,006,195.68/5,528,502.96 = 2,170,618.08/x - Step 3: Cross multiply
4,006,195.68x = 5,528,502.96 × 2,170,618.08 - Step 4: Simplify right side
4,006,195.68x = 12,000,268,480,309.52 - Step 5: Solve for x
x = 12,000,268,480,309.52/4,006,195.68 - Step 6: Final answer
x = 2,995,427.44
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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.