Finding the Fourth Proportional to 1,824,469.64, 2,517,349.58 and 1,089,280.68
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Solution
The fourth proportional to 1,824,469.64, 2,517,349.58 and 1,089,280.68 is: 1,502,957.46
Step by Step Solution
- Step 1: Write the proportion equation
1,824,469.64 : 2,517,349.58 = 1,089,280.68 : x - Step 2: Convert to fraction form
1,824,469.64/2,517,349.58 = 1,089,280.68/x - Step 3: Cross multiply
1,824,469.64x = 2,517,349.58 × 1,089,280.68 - Step 4: Simplify right side
1,824,469.64x = 2,742,100,262,300.11 - Step 5: Solve for x
x = 2,742,100,262,300.11/1,824,469.64 - Step 6: Final answer
x = 1,502,957.46
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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.