Finding the Fourth Proportional to 6,309,252.80, 9,451,437.60 and 3,777,387.20
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Solution
The fourth proportional to 6,309,252.80, 9,451,437.60 and 3,777,387.20 is: 5,658,631.94
Step by Step Solution
- Step 1: Write the proportion equation
6,309,252.80 : 9,451,437.60 = 3,777,387.20 : x - Step 2: Convert to fraction form
6,309,252.80/9,451,437.60 = 3,777,387.20/x - Step 3: Cross multiply
6,309,252.80x = 9,451,437.60 × 3,777,387.20 - Step 4: Simplify right side
6,309,252.80x = 35,701,739,411,838.72 - Step 5: Solve for x
x = 35,701,739,411,838.72/6,309,252.80 - Step 6: Final answer
x = 5,658,631.94
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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.