Finding the Fourth Proportional to 3,089,742.80, 4,634,614.20 and 2,916,532.40
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Solution
The fourth proportional to 3,089,742.80, 4,634,614.20 and 2,916,532.40 is: 4,374,798.60
Step by Step Solution
- Step 1: Write the proportion equation
3,089,742.80 : 4,634,614.20 = 2,916,532.40 : x - Step 2: Convert to fraction form
3,089,742.80/4,634,614.20 = 2,916,532.40/x - Step 3: Cross multiply
3,089,742.80x = 4,634,614.20 × 2,916,532.40 - Step 4: Simplify right side
3,089,742.80x = 13,517,002,475,800.08 - Step 5: Solve for x
x = 13,517,002,475,800.08/3,089,742.80 - Step 6: Final answer
x = 4,374,798.60
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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.