Finding the Fourth Proportional to 6,515,523.64, 8,991,423.74 and 3,614,907.59
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Solution
The fourth proportional to 6,515,523.64, 8,991,423.74 and 3,614,907.59 is: 4,988,573.09
Step by Step Solution
- Step 1: Write the proportion equation
6,515,523.64 : 8,991,423.74 = 3,614,907.59 : x - Step 2: Convert to fraction form
6,515,523.64/8,991,423.74 = 3,614,907.59/x - Step 3: Cross multiply
6,515,523.64x = 8,991,423.74 × 3,614,907.59 - Step 4: Simplify right side
6,515,523.64x = 32,503,165,893,318.37 - Step 5: Solve for x
x = 32,503,165,893,318.37/6,515,523.64 - Step 6: Final answer
x = 4,988,573.09
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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.