Finding the Fourth Proportional to 4,693,963.12, 7,045,485.50 and 2,266,817.56
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Solution
The fourth proportional to 4,693,963.12, 7,045,485.50 and 2,266,817.56 is: 3,402,419.20
Step by Step Solution
- Step 1: Write the proportion equation
4,693,963.12 : 7,045,485.50 = 2,266,817.56 : x - Step 2: Convert to fraction form
4,693,963.12/7,045,485.50 = 2,266,817.56/x - Step 3: Cross multiply
4,693,963.12x = 7,045,485.50 × 2,266,817.56 - Step 4: Simplify right side
4,693,963.12x = 15,970,830,250,125.38 - Step 5: Solve for x
x = 15,970,830,250,125.38/4,693,963.12 - Step 6: Final answer
x = 3,402,419.20
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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.