Finding the Fourth Proportional to 5,777,541.56, 7,972,909.91 and 3,199,166.98
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Solution
The fourth proportional to 5,777,541.56, 7,972,909.91 and 3,199,166.98 is: 4,414,796.47
Step by Step Solution
- Step 1: Write the proportion equation
5,777,541.56 : 7,972,909.91 = 3,199,166.98 : x - Step 2: Convert to fraction form
5,777,541.56/7,972,909.91 = 3,199,166.98/x - Step 3: Cross multiply
5,777,541.56x = 7,972,909.91 × 3,199,166.98 - Step 4: Simplify right side
5,777,541.56x = 25,506,670,078,722.22 - Step 5: Solve for x
x = 25,506,670,078,722.22/5,777,541.56 - Step 6: Final answer
x = 4,414,796.47
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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.