Finding the Fourth Proportional to 4,863,430.56, 7,296,406.32 and 2,587,080.32
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Solution
The fourth proportional to 4,863,430.56, 7,296,406.32 and 2,587,080.32 is: 3,881,290.99
Step by Step Solution
- Step 1: Write the proportion equation
4,863,430.56 : 7,296,406.32 = 2,587,080.32 : x - Step 2: Convert to fraction form
4,863,430.56/7,296,406.32 = 2,587,080.32/x - Step 3: Cross multiply
4,863,430.56x = 7,296,406.32 × 2,587,080.32 - Step 4: Simplify right side
4,863,430.56x = 18,876,389,197,195.62 - Step 5: Solve for x
x = 18,876,389,197,195.62/4,863,430.56 - Step 6: Final answer
x = 3,881,290.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.