Finding the Fourth Proportional to 5,467,969.70, 8,201,911.35 and 1,424,449.70
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Solution
The fourth proportional to 5,467,969.70, 8,201,911.35 and 1,424,449.70 is: 2,136,663.30
Step by Step Solution
- Step 1: Write the proportion equation
5,467,969.70 : 8,201,911.35 = 1,424,449.70 : x - Step 2: Convert to fraction form
5,467,969.70/8,201,911.35 = 1,424,449.70/x - Step 3: Cross multiply
5,467,969.70x = 8,201,911.35 × 1,424,449.70 - Step 4: Simplify right side
5,467,969.70x = 11,683,210,161,934.09 - Step 5: Solve for x
x = 11,683,210,161,934.09/5,467,969.70 - Step 6: Final answer
x = 2,136,663.30
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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.