Finding the Fourth Proportional to 2,259,732, 3,117,671.38 and 1,279,537.08
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Solution
The fourth proportional to 2,259,732, 3,117,671.38 and 1,279,537.08 is: 1,765,331.52
Step by Step Solution
- Step 1: Write the proportion equation
2,259,732 : 3,117,671.38 = 1,279,537.08 : x - Step 2: Convert to fraction form
2,259,732/3,117,671.38 = 1,279,537.08/x - Step 3: Cross multiply
2,259,732x = 3,117,671.38 × 1,279,537.08 - Step 4: Simplify right side
2,259,732x = 3,989,176,133,964.77 - Step 5: Solve for x
x = 3,989,176,133,964.77/2,259,732 - Step 6: Final answer
x = 1,765,331.52
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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.