Finding the Fourth Proportional to 5,164,486.86, 7,126,895.35 and 3,532,839.06
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Solution
The fourth proportional to 5,164,486.86, 7,126,895.35 and 3,532,839.06 is: 4,875,251.88
Step by Step Solution
- Step 1: Write the proportion equation
5,164,486.86 : 7,126,895.35 = 3,532,839.06 : x - Step 2: Convert to fraction form
5,164,486.86/7,126,895.35 = 3,532,839.06/x - Step 3: Cross multiply
5,164,486.86x = 7,126,895.35 × 3,532,839.06 - Step 4: Simplify right side
5,164,486.86x = 25,178,174,251,348.18 - Step 5: Solve for x
x = 25,178,174,251,348.18/5,164,486.86 - Step 6: Final answer
x = 4,875,251.88
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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.