Finding the Fourth Proportional to 5,631,620.27, 7,771,799.88 and 3,184,178.74
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Solution
The fourth proportional to 5,631,620.27, 7,771,799.88 and 3,184,178.74 is: 4,394,259.34
Step by Step Solution
- Step 1: Write the proportion equation
5,631,620.27 : 7,771,799.88 = 3,184,178.74 : x - Step 2: Convert to fraction form
5,631,620.27/7,771,799.88 = 3,184,178.74/x - Step 3: Cross multiply
5,631,620.27x = 7,771,799.88 × 3,184,178.74 - Step 4: Simplify right side
5,631,620.27x = 24,746,799,930,001.05 - Step 5: Solve for x
x = 24,746,799,930,001.05/5,631,620.27 - Step 6: Final answer
x = 4,394,259.34
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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.