Finding the Fourth Proportional to 2,259,767.58, 3,118,671.58 and 1,279,880.92
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Solution
The fourth proportional to 2,259,767.58, 3,118,671.58 and 1,279,880.92 is: 1,766,344.60
Step by Step Solution
- Step 1: Write the proportion equation
2,259,767.58 : 3,118,671.58 = 1,279,880.92 : x - Step 2: Convert to fraction form
2,259,767.58/3,118,671.58 = 1,279,880.92/x - Step 3: Cross multiply
2,259,767.58x = 3,118,671.58 × 1,279,880.92 - Step 4: Simplify right side
2,259,767.58x = 3,991,528,250,988.25 - Step 5: Solve for x
x = 3,991,528,250,988.25/2,259,767.58 - Step 6: Final answer
x = 1,766,344.60
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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.