Finding the Fourth Proportional to 6,486,672.19, 8,950,122.53 and 3,872,667.53
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Solution
The fourth proportional to 6,486,672.19, 8,950,122.53 and 3,872,667.53 is: 5,343,394.56
Step by Step Solution
- Step 1: Write the proportion equation
6,486,672.19 : 8,950,122.53 = 3,872,667.53 : x - Step 2: Convert to fraction form
6,486,672.19/8,950,122.53 = 3,872,667.53/x - Step 3: Cross multiply
6,486,672.19x = 8,950,122.53 × 3,872,667.53 - Step 4: Simplify right side
6,486,672.19x = 34,660,848,847,338.50 - Step 5: Solve for x
x = 34,660,848,847,338.50/6,486,672.19 - Step 6: Final answer
x = 5,343,394.56
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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.