Finding the Fourth Proportional to 3,176,726.74, 4,383,916.69 and 1,726,422.14
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Solution
The fourth proportional to 3,176,726.74, 4,383,916.69 and 1,726,422.14 is: 2,382,480.92
Step by Step Solution
- Step 1: Write the proportion equation
3,176,726.74 : 4,383,916.69 = 1,726,422.14 : x - Step 2: Convert to fraction form
3,176,726.74/4,383,916.69 = 1,726,422.14/x - Step 3: Cross multiply
3,176,726.74x = 4,383,916.69 × 1,726,422.14 - Step 4: Simplify right side
3,176,726.74x = 7,568,490,833,531.52 - Step 5: Solve for x
x = 7,568,490,833,531.52/3,176,726.74 - Step 6: Final answer
x = 2,382,480.92
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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.