Finding the Fourth Proportional to 2,040,373.98, 2,815,739.91 and 1,169,191.44
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Solution
The fourth proportional to 2,040,373.98, 2,815,739.91 and 1,169,191.44 is: 1,613,497.84
Step by Step Solution
- Step 1: Write the proportion equation
2,040,373.98 : 2,815,739.91 = 1,169,191.44 : x - Step 2: Convert to fraction form
2,040,373.98/2,815,739.91 = 1,169,191.44/x - Step 3: Cross multiply
2,040,373.98x = 2,815,739.91 × 1,169,191.44 - Step 4: Simplify right side
2,040,373.98x = 3,292,139,000,038.37 - Step 5: Solve for x
x = 3,292,139,000,038.37/2,040,373.98 - Step 6: Final answer
x = 1,613,497.84
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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.