Finding the Fourth Proportional to 4,421,801.70, 6,631,960.59 and 1,227,252.42
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Solution
The fourth proportional to 4,421,801.70, 6,631,960.59 and 1,227,252.42 is: 1,840,672.70
Step by Step Solution
- Step 1: Write the proportion equation
4,421,801.70 : 6,631,960.59 = 1,227,252.42 : x - Step 2: Convert to fraction form
4,421,801.70/6,631,960.59 = 1,227,252.42/x - Step 3: Cross multiply
4,421,801.70x = 6,631,960.59 × 1,227,252.42 - Step 4: Simplify right side
4,421,801.70x = 8,139,089,683,422.13 - Step 5: Solve for x
x = 8,139,089,683,422.13/4,421,801.70 - Step 6: Final answer
x = 1,840,672.70
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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.