Finding the Fourth Proportional to 3,182,045.70, 4,391,138.79 and 1,731,710.04
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Solution
The fourth proportional to 3,182,045.70, 4,391,138.79 and 1,731,710.04 is: 2,389,713.99
Step by Step Solution
- Step 1: Write the proportion equation
3,182,045.70 : 4,391,138.79 = 1,731,710.04 : x - Step 2: Convert to fraction form
3,182,045.70/4,391,138.79 = 1,731,710.04/x - Step 3: Cross multiply
3,182,045.70x = 4,391,138.79 × 1,731,710.04 - Step 4: Simplify right side
3,182,045.70x = 7,604,179,129,676.45 - Step 5: Solve for x
x = 7,604,179,129,676.45/3,182,045.70 - Step 6: Final answer
x = 2,389,713.99
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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.