Finding the Fourth Proportional to 6,411,487.12, 9,601,965.94 and 3,710,117.68
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Solution
The fourth proportional to 6,411,487.12, 9,601,965.94 and 3,710,117.68 is: 5,556,343.31
Step by Step Solution
- Step 1: Write the proportion equation
6,411,487.12 : 9,601,965.94 = 3,710,117.68 : x - Step 2: Convert to fraction form
6,411,487.12/9,601,965.94 = 3,710,117.68/x - Step 3: Cross multiply
6,411,487.12x = 9,601,965.94 × 3,710,117.68 - Step 4: Simplify right side
6,411,487.12x = 35,624,423,596,751.82 - Step 5: Solve for x
x = 35,624,423,596,751.82/6,411,487.12 - Step 6: Final answer
x = 5,556,343.31
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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.