Finding the Fourth Proportional to 3,832,465.93, 5,288,807.99 and 2,090,139.07
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Solution
The fourth proportional to 3,832,465.93, 5,288,807.99 and 2,090,139.07 is: 2,884,394.65
Step by Step Solution
- Step 1: Write the proportion equation
3,832,465.93 : 5,288,807.99 = 2,090,139.07 : x - Step 2: Convert to fraction form
3,832,465.93/5,288,807.99 = 2,090,139.07/x - Step 3: Cross multiply
3,832,465.93x = 5,288,807.99 × 2,090,139.07 - Step 4: Simplify right side
3,832,465.93x = 11,054,344,213,627.17 - Step 5: Solve for x
x = 11,054,344,213,627.17/3,832,465.93 - Step 6: Final answer
x = 2,884,394.65
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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.