Finding the Fourth Proportional to 2,782,645.02, 3,840,160.37 and 1,558,960.65
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Solution
The fourth proportional to 2,782,645.02, 3,840,160.37 and 1,558,960.65 is: 2,151,427.46
Step by Step Solution
- Step 1: Write the proportion equation
2,782,645.02 : 3,840,160.37 = 1,558,960.65 : x - Step 2: Convert to fraction form
2,782,645.02/3,840,160.37 = 1,558,960.65/x - Step 3: Cross multiply
2,782,645.02x = 3,840,160.37 × 1,558,960.65 - Step 4: Simplify right side
2,782,645.02x = 5,986,658,898,724.64 - Step 5: Solve for x
x = 5,986,658,898,724.64/2,782,645.02 - Step 6: Final answer
x = 2,151,427.46
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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.