Finding the Fourth Proportional to 2,412,768.31, 3,329,608.17 and 1,310,189.87
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Solution
The fourth proportional to 2,412,768.31, 3,329,608.17 and 1,310,189.87 is: 1,808,055.45
Step by Step Solution
- Step 1: Write the proportion equation
2,412,768.31 : 3,329,608.17 = 1,310,189.87 : x - Step 2: Convert to fraction form
2,412,768.31/3,329,608.17 = 1,310,189.87/x - Step 3: Cross multiply
2,412,768.31x = 3,329,608.17 × 1,310,189.87 - Step 4: Simplify right side
2,412,768.31x = 4,362,418,908,640.47 - Step 5: Solve for x
x = 4,362,418,908,640.47/2,412,768.31 - Step 6: Final answer
x = 1,808,055.45
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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.