Finding the Fourth Proportional to 4,089,687.60, 6,134,531.40 and 2,725,655.70
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Solution
The fourth proportional to 4,089,687.60, 6,134,531.40 and 2,725,655.70 is: 4,088,483.55
Step by Step Solution
- Step 1: Write the proportion equation
4,089,687.60 : 6,134,531.40 = 2,725,655.70 : x - Step 2: Convert to fraction form
4,089,687.60/6,134,531.40 = 2,725,655.70/x - Step 3: Cross multiply
4,089,687.60x = 6,134,531.40 × 2,725,655.70 - Step 4: Simplify right side
4,089,687.60x = 16,720,620,477,238.98 - Step 5: Solve for x
x = 16,720,620,477,238.98/4,089,687.60 - Step 6: Final answer
x = 4,088,483.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.