Finding the Fourth Proportional to 3,889,572.09, 5,368,150.49 and 2,170,803.31
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Solution
The fourth proportional to 3,889,572.09, 5,368,150.49 and 2,170,803.31 is: 2,996,010.51
Step by Step Solution
- Step 1: Write the proportion equation
3,889,572.09 : 5,368,150.49 = 2,170,803.31 : x - Step 2: Convert to fraction form
3,889,572.09/5,368,150.49 = 2,170,803.31/x - Step 3: Cross multiply
3,889,572.09x = 5,368,150.49 × 2,170,803.31 - Step 4: Simplify right side
3,889,572.09x = 11,653,198,852,270.12 - Step 5: Solve for x
x = 11,653,198,852,270.12/3,889,572.09 - Step 6: Final answer
x = 2,996,010.51
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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.