Finding the Fourth Proportional to 5,214,604.86, 7,196,131.88 and 2,922,765.66
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Solution
The fourth proportional to 5,214,604.86, 7,196,131.88 and 2,922,765.66 is: 4,033,403.82
Step by Step Solution
- Step 1: Write the proportion equation
5,214,604.86 : 7,196,131.88 = 2,922,765.66 : x - Step 2: Convert to fraction form
5,214,604.86/7,196,131.88 = 2,922,765.66/x - Step 3: Cross multiply
5,214,604.86x = 7,196,131.88 × 2,922,765.66 - Step 4: Simplify right side
5,214,604.86x = 21,032,607,143,695.24 - Step 5: Solve for x
x = 21,032,607,143,695.24/5,214,604.86 - Step 6: Final answer
x = 4,033,403.82
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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.