Finding the Fourth Proportional to 5,406,893.83, 7,461,515.70 and 2,959,517.20
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Solution
The fourth proportional to 5,406,893.83, 7,461,515.70 and 2,959,517.20 is: 4,084,134.95
Step by Step Solution
- Step 1: Write the proportion equation
5,406,893.83 : 7,461,515.70 = 2,959,517.20 : x - Step 2: Convert to fraction form
5,406,893.83/7,461,515.70 = 2,959,517.20/x - Step 3: Cross multiply
5,406,893.83x = 7,461,515.70 × 2,959,517.20 - Step 4: Simplify right side
5,406,893.83x = 22,082,484,055,880.23 - Step 5: Solve for x
x = 22,082,484,055,880.23/5,406,893.83 - Step 6: Final answer
x = 4,084,134.95
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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.