Finding the Fourth Proportional to 5,302,923.02, 7,317,827.79 and 3,241,390.31
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Solution
The fourth proportional to 5,302,923.02, 7,317,827.79 and 3,241,390.31 is: 4,472,992.72
Step by Step Solution
- Step 1: Write the proportion equation
5,302,923.02 : 7,317,827.79 = 3,241,390.31 : x - Step 2: Convert to fraction form
5,302,923.02/7,317,827.79 = 3,241,390.31/x - Step 3: Cross multiply
5,302,923.02x = 7,317,827.79 × 3,241,390.31 - Step 4: Simplify right side
5,302,923.02x = 23,719,936,088,754.71 - Step 5: Solve for x
x = 23,719,936,088,754.71/5,302,923.02 - Step 6: Final answer
x = 4,472,992.72
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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.