Finding the Fourth Proportional to 5,445,376.07, 8,168,129.71 and 1,658,891.75
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Solution
The fourth proportional to 5,445,376.07, 8,168,129.71 and 1,658,891.75 is: 2,488,357.61
Step by Step Solution
- Step 1: Write the proportion equation
5,445,376.07 : 8,168,129.71 = 1,658,891.75 : x - Step 2: Convert to fraction form
5,445,376.07/8,168,129.71 = 1,658,891.75/x - Step 3: Cross multiply
5,445,376.07x = 8,168,129.71 × 1,658,891.75 - Step 4: Simplify right side
5,445,376.07x = 13,550,042,943,861.02 - Step 5: Solve for x
x = 13,550,042,943,861.02/5,445,376.07 - Step 6: Final answer
x = 2,488,357.61
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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.