Finding the Fourth Proportional to 5,728,395.47, 7,903,250.82 and 3,247,349.96
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Solution
The fourth proportional to 5,728,395.47, 7,903,250.82 and 3,247,349.96 is: 4,480,246.07
Step by Step Solution
- Step 1: Write the proportion equation
5,728,395.47 : 7,903,250.82 = 3,247,349.96 : x - Step 2: Convert to fraction form
5,728,395.47/7,903,250.82 = 3,247,349.96/x - Step 3: Cross multiply
5,728,395.47x = 7,903,250.82 × 3,247,349.96 - Step 4: Simplify right side
5,728,395.47x = 25,664,621,253,955.09 - Step 5: Solve for x
x = 25,664,621,253,955.09/5,728,395.47 - Step 6: Final answer
x = 4,480,246.07
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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.