Finding the Fourth Proportional to 2,838,552.79, 3,916,618.09 and 1,631,095.51
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Solution
The fourth proportional to 2,838,552.79, 3,916,618.09 and 1,631,095.51 is: 2,250,575.79
Step by Step Solution
- Step 1: Write the proportion equation
2,838,552.79 : 3,916,618.09 = 1,631,095.51 : x - Step 2: Convert to fraction form
2,838,552.79/3,916,618.09 = 1,631,095.51/x - Step 3: Cross multiply
2,838,552.79x = 3,916,618.09 × 1,631,095.51 - Step 4: Simplify right side
2,838,552.79x = 6,388,378,180,983.78 - Step 5: Solve for x
x = 6,388,378,180,983.78/2,838,552.79 - Step 6: Final answer
x = 2,250,575.79
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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.