Finding the Fourth Proportional to 3,021,841.98, 4,173,886.73 and 2,193,593.65
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Solution
The fourth proportional to 3,021,841.98, 4,173,886.73 and 2,193,593.65 is: 3,029,877.63
Step by Step Solution
- Step 1: Write the proportion equation
3,021,841.98 : 4,173,886.73 = 2,193,593.65 : x - Step 2: Convert to fraction form
3,021,841.98/4,173,886.73 = 2,193,593.65/x - Step 3: Cross multiply
3,021,841.98x = 4,173,886.73 × 2,193,593.65 - Step 4: Simplify right side
3,021,841.98x = 9,155,811,421,796.53 - Step 5: Solve for x
x = 9,155,811,421,796.53/3,021,841.98 - Step 6: Final answer
x = 3,029,877.63
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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.