Finding the Fourth Proportional to 3,439,671.78, 5,160,128.24 and 1,416,811.60
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Solution
The fourth proportional to 3,439,671.78, 5,160,128.24 and 1,416,811.60 is: 2,125,473.01
Step by Step Solution
- Step 1: Write the proportion equation
3,439,671.78 : 5,160,128.24 = 1,416,811.60 : x - Step 2: Convert to fraction form
3,439,671.78/5,160,128.24 = 1,416,811.60/x - Step 3: Cross multiply
3,439,671.78x = 5,160,128.24 × 1,416,811.60 - Step 4: Simplify right side
3,439,671.78x = 7,310,929,549,942.21 - Step 5: Solve for x
x = 7,310,929,549,942.21/3,439,671.78 - Step 6: Final answer
x = 2,125,473.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.