Finding the Fourth Proportional to 3,010,862.47, 4,154,979.84 and 1,634,206.12
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Solution
The fourth proportional to 3,010,862.47, 4,154,979.84 and 1,634,206.12 is: 2,255,198.82
Step by Step Solution
- Step 1: Write the proportion equation
3,010,862.47 : 4,154,979.84 = 1,634,206.12 : x - Step 2: Convert to fraction form
3,010,862.47/4,154,979.84 = 1,634,206.12/x - Step 3: Cross multiply
3,010,862.47x = 4,154,979.84 × 1,634,206.12 - Step 4: Simplify right side
3,010,862.47x = 6,790,093,483,004.62 - Step 5: Solve for x
x = 6,790,093,483,004.62/3,010,862.47 - Step 6: Final answer
x = 2,255,198.82
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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.