Finding the Fourth Proportional to 5,611,039.12, 7,743,237.31 and 3,130,259.79
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Solution
The fourth proportional to 5,611,039.12, 7,743,237.31 and 3,130,259.79 is: 4,319,760.37
Step by Step Solution
- Step 1: Write the proportion equation
5,611,039.12 : 7,743,237.31 = 3,130,259.79 : x - Step 2: Convert to fraction form
5,611,039.12/7,743,237.31 = 3,130,259.79/x - Step 3: Cross multiply
5,611,039.12x = 7,743,237.31 × 3,130,259.79 - Step 4: Simplify right side
5,611,039.12x = 24,238,344,428,870.73 - Step 5: Solve for x
x = 24,238,344,428,870.73/5,611,039.12 - Step 6: Final answer
x = 4,319,760.37
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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.