Finding the Fourth Proportional to 3,179,680.02, 4,769,407.64 and 905,216.63
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Solution
The fourth proportional to 3,179,680.02, 4,769,407.64 and 905,216.63 is: 1,357,792.94
Step by Step Solution
- Step 1: Write the proportion equation
3,179,680.02 : 4,769,407.64 = 905,216.63 : x - Step 2: Convert to fraction form
3,179,680.02/4,769,407.64 = 905,216.63/x - Step 3: Cross multiply
3,179,680.02x = 4,769,407.64 × 905,216.63 - Step 4: Simplify right side
3,179,680.02x = 4,317,347,089,393.06 - Step 5: Solve for x
x = 4,317,347,089,393.06/3,179,680.02 - Step 6: Final answer
x = 1,357,792.94
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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.