Finding the Fourth Proportional to 1,579,671.76, 2,177,679.72 and 1,126,175.44
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Solution
The fourth proportional to 1,579,671.76, 2,177,679.72 and 1,126,175.44 is: 1,552,505.70
Step by Step Solution
- Step 1: Write the proportion equation
1,579,671.76 : 2,177,679.72 = 1,126,175.44 : x - Step 2: Convert to fraction form
1,579,671.76/2,177,679.72 = 1,126,175.44/x - Step 3: Cross multiply
1,579,671.76x = 2,177,679.72 × 1,126,175.44 - Step 4: Simplify right side
1,579,671.76x = 2,452,449,416,850.08 - Step 5: Solve for x
x = 2,452,449,416,850.08/1,579,671.76 - Step 6: Final answer
x = 1,552,505.70
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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.