Finding the Fourth Proportional to 3,901,156.84, 5,383,805.70 and 2,182,174.84
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Solution
The fourth proportional to 3,901,156.84, 5,383,805.70 and 2,182,174.84 is: 3,011,518.33
Step by Step Solution
- Step 1: Write the proportion equation
3,901,156.84 : 5,383,805.70 = 2,182,174.84 : x - Step 2: Convert to fraction form
3,901,156.84/5,383,805.70 = 2,182,174.84/x - Step 3: Cross multiply
3,901,156.84x = 5,383,805.70 × 2,182,174.84 - Step 4: Simplify right side
3,901,156.84x = 11,748,405,341,988.59 - Step 5: Solve for x
x = 11,748,405,341,988.59/3,901,156.84 - Step 6: Final answer
x = 3,011,518.33
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1.5x scale
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.