Finding the Fourth Proportional to 5,611,040.99, 7,743,239.90 and 3,130,261.67
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Solution
The fourth proportional to 5,611,040.99, 7,743,239.90 and 3,130,261.67 is: 4,319,762.96
Step by Step Solution
- Step 1: Write the proportion equation
5,611,040.99 : 7,743,239.90 = 3,130,261.67 : x - Step 2: Convert to fraction form
5,611,040.99/7,743,239.90 = 3,130,261.67/x - Step 3: Cross multiply
5,611,040.99x = 7,743,239.90 × 3,130,261.67 - Step 4: Simplify right side
5,611,040.99x = 24,238,367,035,254.27 - Step 5: Solve for x
x = 24,238,367,035,254.27/5,611,040.99 - Step 6: Final answer
x = 4,319,762.96
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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.