Finding the Fourth Proportional to 3,939,554.04, 5,439,114.86 and 2,471,475.42
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Solution
The fourth proportional to 3,939,554.04, 5,439,114.86 and 2,471,475.42 is: 3,412,223.45
Step by Step Solution
- Step 1: Write the proportion equation
3,939,554.04 : 5,439,114.86 = 2,471,475.42 : x - Step 2: Convert to fraction form
3,939,554.04/5,439,114.86 = 2,471,475.42/x - Step 3: Cross multiply
3,939,554.04x = 5,439,114.86 × 2,471,475.42 - Step 4: Simplify right side
3,939,554.04x = 13,442,638,683,046.74 - Step 5: Solve for x
x = 13,442,638,683,046.74/3,939,554.04 - Step 6: Final answer
x = 3,412,223.45
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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.