Finding the Fourth Proportional to 3,798,379.11, 5,239,801.59 and 2,574,266.00
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Solution
The fourth proportional to 3,798,379.11, 5,239,801.59 and 2,574,266.00 is: 3,551,157.66
Step by Step Solution
- Step 1: Write the proportion equation
3,798,379.11 : 5,239,801.59 = 2,574,266.00 : x - Step 2: Convert to fraction form
3,798,379.11/5,239,801.59 = 2,574,266.00/x - Step 3: Cross multiply
3,798,379.11x = 5,239,801.59 × 2,574,266.00 - Step 4: Simplify right side
3,798,379.11x = 13,488,643,053,683.93 - Step 5: Solve for x
x = 13,488,643,053,683.93/3,798,379.11 - Step 6: Final answer
x = 3,551,157.66
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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.