Finding the Fourth Proportional to 4,122,751.88, 5,688,108.66 and 2,380,192.52
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Solution
The fourth proportional to 4,122,751.88, 5,688,108.66 and 2,380,192.52 is: 3,283,921.54
Step by Step Solution
- Step 1: Write the proportion equation
4,122,751.88 : 5,688,108.66 = 2,380,192.52 : x - Step 2: Convert to fraction form
4,122,751.88/5,688,108.66 = 2,380,192.52/x - Step 3: Cross multiply
4,122,751.88x = 5,688,108.66 × 2,380,192.52 - Step 4: Simplify right side
4,122,751.88x = 13,538,793,685,479.22 - Step 5: Solve for x
x = 13,538,793,685,479.22/4,122,751.88 - Step 6: Final answer
x = 3,283,921.54
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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.