Finding the Fourth Proportional to 2,136,482.63, 2,948,345.81 and 1,169,609.93
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Solution
The fourth proportional to 2,136,482.63, 2,948,345.81 and 1,169,609.93 is: 1,614,061.58
Step by Step Solution
- Step 1: Write the proportion equation
2,136,482.63 : 2,948,345.81 = 1,169,609.93 : x - Step 2: Convert to fraction form
2,136,482.63/2,948,345.81 = 1,169,609.93/x - Step 3: Cross multiply
2,136,482.63x = 2,948,345.81 × 1,169,609.93 - Step 4: Simplify right side
2,136,482.63x = 3,448,414,530,601.84 - Step 5: Solve for x
x = 3,448,414,530,601.84/2,136,482.63 - Step 6: Final answer
x = 1,614,061.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.