Finding the Fourth Proportional to 3,083,398.18, 4,254,581.91 and 1,936,661.74
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Solution
The fourth proportional to 3,083,398.18, 4,254,581.91 and 1,936,661.74 is: 2,672,274.39
Step by Step Solution
- Step 1: Write the proportion equation
3,083,398.18 : 4,254,581.91 = 1,936,661.74 : x - Step 2: Convert to fraction form
3,083,398.18/4,254,581.91 = 1,936,661.74/x - Step 3: Cross multiply
3,083,398.18x = 4,254,581.91 × 1,936,661.74 - Step 4: Simplify right side
3,083,398.18x = 8,239,686,004,793.12 - Step 5: Solve for x
x = 8,239,686,004,793.12/3,083,398.18 - Step 6: Final answer
x = 2,672,274.39
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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.