Finding the Fourth Proportional to 3,834,550.88, 5,291,697.12 and 2,115,670.40
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Solution
The fourth proportional to 3,834,550.88, 5,291,697.12 and 2,115,670.40 is: 2,919,634.48
Step by Step Solution
- Step 1: Write the proportion equation
3,834,550.88 : 5,291,697.12 = 2,115,670.40 : x - Step 2: Convert to fraction form
3,834,550.88/5,291,697.12 = 2,115,670.40/x - Step 3: Cross multiply
3,834,550.88x = 5,291,697.12 × 2,115,670.40 - Step 4: Simplify right side
3,834,550.88x = 11,195,486,962,549.25 - Step 5: Solve for x
x = 11,195,486,962,549.25/3,834,550.88 - Step 6: Final answer
x = 2,919,634.48
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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.