Finding the Fourth Proportional to 3,034,371.14, 4,187,514.36 and 1,811,386.47
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Solution
The fourth proportional to 3,034,371.14, 4,187,514.36 and 1,811,386.47 is: 2,499,762.39
Step by Step Solution
- Step 1: Write the proportion equation
3,034,371.14 : 4,187,514.36 = 1,811,386.47 : x - Step 2: Convert to fraction form
3,034,371.14/4,187,514.36 = 1,811,386.47/x - Step 3: Cross multiply
3,034,371.14x = 4,187,514.36 × 1,811,386.47 - Step 4: Simplify right side
3,034,371.14x = 7,585,206,854,634.71 - Step 5: Solve for x
x = 7,585,206,854,634.71/3,034,371.14 - Step 6: Final answer
x = 2,499,762.39
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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.