Finding the Fourth Proportional to 6,237,643.71, 8,611,997.04 and 5,583,135.36
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Solution
The fourth proportional to 6,237,643.71, 8,611,997.04 and 5,583,135.36 is: 7,708,350.69
Step by Step Solution
- Step 1: Write the proportion equation
6,237,643.71 : 8,611,997.04 = 5,583,135.36 : x - Step 2: Convert to fraction form
6,237,643.71/8,611,997.04 = 5,583,135.36/x - Step 3: Cross multiply
6,237,643.71x = 8,611,997.04 × 5,583,135.36 - Step 4: Simplify right side
6,237,643.71x = 48,081,945,194,239.34 - Step 5: Solve for x
x = 48,081,945,194,239.34/6,237,643.71 - Step 6: Final answer
x = 7,708,350.69
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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.