Finding the Fourth Proportional to 2,405,352.88, 3,319,387.56 and 1,317,663.13
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Solution
The fourth proportional to 2,405,352.88, 3,319,387.56 and 1,317,663.13 is: 1,818,375.44
Step by Step Solution
- Step 1: Write the proportion equation
2,405,352.88 : 3,319,387.56 = 1,317,663.13 : x - Step 2: Convert to fraction form
2,405,352.88/3,319,387.56 = 1,317,663.13/x - Step 3: Cross multiply
2,405,352.88x = 3,319,387.56 × 1,317,663.13 - Step 4: Simplify right side
2,405,352.88x = 4,373,834,585,395.73 - Step 5: Solve for x
x = 4,373,834,585,395.73/2,405,352.88 - Step 6: Final answer
x = 1,818,375.44
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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.