Finding the Fourth Proportional to 5,622,386.88, 8,424,749.64 and 4,346,121.72
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Solution
The fourth proportional to 5,622,386.88, 8,424,749.64 and 4,346,121.72 is: 6,512,356.44
Step by Step Solution
- Step 1: Write the proportion equation
5,622,386.88 : 8,424,749.64 = 4,346,121.72 : x - Step 2: Convert to fraction form
5,622,386.88/8,424,749.64 = 4,346,121.72/x - Step 3: Cross multiply
5,622,386.88x = 8,424,749.64 × 4,346,121.72 - Step 4: Simplify right side
5,622,386.88x = 36,614,987,395,966.18 - Step 5: Solve for x
x = 36,614,987,395,966.18/5,622,386.88 - Step 6: Final answer
x = 6,512,356.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.