Finding the Fourth Proportional to 1,490,342.12, 2,224,051.83 and 1,481,816.94
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Solution
The fourth proportional to 1,490,342.12, 2,224,051.83 and 1,481,816.94 is: 2,211,329.62
Step by Step Solution
- Step 1: Write the proportion equation
1,490,342.12 : 2,224,051.83 = 1,481,816.94 : x - Step 2: Convert to fraction form
1,490,342.12/2,224,051.83 = 1,481,816.94/x - Step 3: Cross multiply
1,490,342.12x = 2,224,051.83 × 1,481,816.94 - Step 4: Simplify right side
1,490,342.12x = 3,295,637,668,791.81 - Step 5: Solve for x
x = 3,295,637,668,791.81/1,490,342.12 - Step 6: Final answer
x = 2,211,329.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.