Finding the Fourth Proportional to 5,395,168.17, 7,445,243.97 and 2,947,726.53
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Solution
The fourth proportional to 5,395,168.17, 7,445,243.97 and 2,947,726.53 is: 4,067,814.47
Step by Step Solution
- Step 1: Write the proportion equation
5,395,168.17 : 7,445,243.97 = 2,947,726.53 : x - Step 2: Convert to fraction form
5,395,168.17/7,445,243.97 = 2,947,726.53/x - Step 3: Cross multiply
5,395,168.17x = 7,445,243.97 × 2,947,726.53 - Step 4: Simplify right side
5,395,168.17x = 21,946,543,172,691.52 - Step 5: Solve for x
x = 21,946,543,172,691.52/5,395,168.17 - Step 6: Final answer
x = 4,067,814.47
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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.