Finding the Fourth Proportional to 3,182,320.95, 4,391,696.16 and 1,732,110.31
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Solution
The fourth proportional to 3,182,320.95, 4,391,696.16 and 1,732,110.31 is: 2,390,362.99
Step by Step Solution
- Step 1: Write the proportion equation
3,182,320.95 : 4,391,696.16 = 1,732,110.31 : x - Step 2: Convert to fraction form
3,182,320.95/4,391,696.16 = 1,732,110.31/x - Step 3: Cross multiply
3,182,320.95x = 4,391,696.16 × 1,732,110.31 - Step 4: Simplify right side
3,182,320.95x = 7,606,902,197,123.41 - Step 5: Solve for x
x = 7,606,902,197,123.41/3,182,320.95 - Step 6: Final answer
x = 2,390,362.99
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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.