Finding the Fourth Proportional to 3,144,888.18, 4,339,645.88 and 1,838,445.66
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Solution
The fourth proportional to 3,144,888.18, 4,339,645.88 and 1,838,445.66 is: 2,536,879.75
Step by Step Solution
- Step 1: Write the proportion equation
3,144,888.18 : 4,339,645.88 = 1,838,445.66 : x - Step 2: Convert to fraction form
3,144,888.18/4,339,645.88 = 1,838,445.66/x - Step 3: Cross multiply
3,144,888.18x = 4,339,645.88 × 1,838,445.66 - Step 4: Simplify right side
3,144,888.18x = 7,978,203,124,830.65 - Step 5: Solve for x
x = 7,978,203,124,830.65/3,144,888.18 - Step 6: Final answer
x = 2,536,879.75
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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.