Finding the Fourth Proportional to 5,248,929.09, 7,873,393.64 and 1,259,841.09
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Solution
The fourth proportional to 5,248,929.09, 7,873,393.64 and 1,259,841.09 is: 1,889,761.64
Step by Step Solution
- Step 1: Write the proportion equation
5,248,929.09 : 7,873,393.64 = 1,259,841.09 : x - Step 2: Convert to fraction form
5,248,929.09/7,873,393.64 = 1,259,841.09/x - Step 3: Cross multiply
5,248,929.09x = 7,873,393.64 × 1,259,841.09 - Step 4: Simplify right side
5,248,929.09x = 9,919,224,855,729.30 - Step 5: Solve for x
x = 9,919,224,855,729.30/5,248,929.09 - Step 6: Final answer
x = 1,889,761.64
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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.