Finding the Fourth Proportional to 5,285,322.84, 7,929,165.64 and 1,691,305.58
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Solution
The fourth proportional to 5,285,322.84, 7,929,165.64 and 1,691,305.58 is: 2,537,336.41
Step by Step Solution
- Step 1: Write the proportion equation
5,285,322.84 : 7,929,165.64 = 1,691,305.58 : x - Step 2: Convert to fraction form
5,285,322.84/7,929,165.64 = 1,691,305.58/x - Step 3: Cross multiply
5,285,322.84x = 7,929,165.64 × 1,691,305.58 - Step 4: Simplify right side
5,285,322.84x = 13,410,642,091,676.27 - Step 5: Solve for x
x = 13,410,642,091,676.27/5,285,322.84 - Step 6: Final answer
x = 2,537,336.41
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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.