Finding the Fourth Proportional to 6,498,697.53, 8,968,339.42 and 3,558,638.10
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Solution
The fourth proportional to 6,498,697.53, 8,968,339.42 and 3,558,638.10 is: 4,910,995.50
Step by Step Solution
- Step 1: Write the proportion equation
6,498,697.53 : 8,968,339.42 = 3,558,638.10 : x - Step 2: Convert to fraction form
6,498,697.53/8,968,339.42 = 3,558,638.10/x - Step 3: Cross multiply
6,498,697.53x = 8,968,339.42 × 3,558,638.10 - Step 4: Simplify right side
6,498,697.53x = 31,915,074,353,743.90 - Step 5: Solve for x
x = 31,915,074,353,743.90/6,498,697.53 - Step 6: Final answer
x = 4,910,995.50
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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.