Finding the Fourth Proportional to 4,071,972.20, 6,106,601.97 and 1,642,497.98
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Solution
The fourth proportional to 4,071,972.20, 6,106,601.97 and 1,642,497.98 is: 2,463,199.87
Step by Step Solution
- Step 1: Write the proportion equation
4,071,972.20 : 6,106,601.97 = 1,642,497.98 : x - Step 2: Convert to fraction form
4,071,972.20/6,106,601.97 = 1,642,497.98/x - Step 3: Cross multiply
4,071,972.20x = 6,106,601.97 × 1,642,497.98 - Step 4: Simplify right side
4,071,972.20x = 10,030,081,400,389.02 - Step 5: Solve for x
x = 10,030,081,400,389.02/4,071,972.20 - Step 6: Final answer
x = 2,463,199.87
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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.