Finding the Fourth Proportional to 3,972,479.21, 5,958,774.17 and 1,132,591.36
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Solution
The fourth proportional to 3,972,479.21, 5,958,774.17 and 1,132,591.36 is: 1,698,902.83
Step by Step Solution
- Step 1: Write the proportion equation
3,972,479.21 : 5,958,774.17 = 1,132,591.36 : x - Step 2: Convert to fraction form
3,972,479.21/5,958,774.17 = 1,132,591.36/x - Step 3: Cross multiply
3,972,479.21x = 5,958,774.17 × 1,132,591.36 - Step 4: Simplify right side
3,972,479.21x = 6,748,856,156,030.11 - Step 5: Solve for x
x = 6,748,856,156,030.11/3,972,479.21 - Step 6: Final answer
x = 1,698,902.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.