Finding the Fourth Proportional to 4,609,434.26, 6,911,938.46 and 2,178,562.70
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Solution
The fourth proportional to 4,609,434.26, 6,911,938.46 and 2,178,562.70 is: 3,266,798.15
Step by Step Solution
- Step 1: Write the proportion equation
4,609,434.26 : 6,911,938.46 = 2,178,562.70 : x - Step 2: Convert to fraction form
4,609,434.26/6,911,938.46 = 2,178,562.70/x - Step 3: Cross multiply
4,609,434.26x = 6,911,938.46 × 2,178,562.70 - Step 4: Simplify right side
4,609,434.26x = 15,058,091,284,538.16 - Step 5: Solve for x
x = 15,058,091,284,538.16/4,609,434.26 - Step 6: Final answer
x = 3,266,798.15
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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.