Finding the Fourth Proportional to 5,462,402.24, 7,536,989.76 and 3,138,845.78
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Solution
The fourth proportional to 5,462,402.24, 7,536,989.76 and 3,138,845.78 is: 4,330,960.53
Step by Step Solution
- Step 1: Write the proportion equation
5,462,402.24 : 7,536,989.76 = 3,138,845.78 : x - Step 2: Convert to fraction form
5,462,402.24/7,536,989.76 = 3,138,845.78/x - Step 3: Cross multiply
5,462,402.24x = 7,536,989.76 × 3,138,845.78 - Step 4: Simplify right side
5,462,402.24x = 23,657,448,502,079.21 - Step 5: Solve for x
x = 23,657,448,502,079.21/5,462,402.24 - Step 6: Final answer
x = 4,330,960.53
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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.