Finding the Fourth Proportional to 3,715,178.22, 5,122,199.75 and 2,406,117.47
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Solution
The fourth proportional to 3,715,178.22, 5,122,199.75 and 2,406,117.47 is: 3,317,368.25
Step by Step Solution
- Step 1: Write the proportion equation
3,715,178.22 : 5,122,199.75 = 2,406,117.47 : x - Step 2: Convert to fraction form
3,715,178.22/5,122,199.75 = 2,406,117.47/x - Step 3: Cross multiply
3,715,178.22x = 5,122,199.75 × 2,406,117.47 - Step 4: Simplify right side
3,715,178.22x = 12,324,614,265,663.05 - Step 5: Solve for x
x = 12,324,614,265,663.05/3,715,178.22 - Step 6: Final answer
x = 3,317,368.25
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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.