Finding the Fourth Proportional to 2,081,319.47, 2,872,207.69 and 1,163,544.24
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Solution
The fourth proportional to 2,081,319.47, 2,872,207.69 and 1,163,544.24 is: 1,605,683.69
Step by Step Solution
- Step 1: Write the proportion equation
2,081,319.47 : 2,872,207.69 = 1,163,544.24 : x - Step 2: Convert to fraction form
2,081,319.47/2,872,207.69 = 1,163,544.24/x - Step 3: Cross multiply
2,081,319.47x = 2,872,207.69 × 1,163,544.24 - Step 4: Simplify right side
2,081,319.47x = 3,341,940,721,645.12 - Step 5: Solve for x
x = 3,341,940,721,645.12/2,081,319.47 - Step 6: Final answer
x = 1,605,683.69
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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.