Finding the Fourth Proportional to 5,334,887.48, 7,362,144.17 and 2,887,498.09
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Solution
The fourth proportional to 5,334,887.48, 7,362,144.17 and 2,887,498.09 is: 3,984,747.07
Step by Step Solution
- Step 1: Write the proportion equation
5,334,887.48 : 7,362,144.17 = 2,887,498.09 : x - Step 2: Convert to fraction form
5,334,887.48/7,362,144.17 = 2,887,498.09/x - Step 3: Cross multiply
5,334,887.48x = 7,362,144.17 × 2,887,498.09 - Step 4: Simplify right side
5,334,887.48x = 21,258,177,234,772.95 - Step 5: Solve for x
x = 21,258,177,234,772.95/5,334,887.48 - Step 6: Final answer
x = 3,984,747.07
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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.