Finding the Fourth Proportional to 2,260,783.44, 3,119,880.42 and 1,242,253.80
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Solution
The fourth proportional to 2,260,783.44, 3,119,880.42 and 1,242,253.80 is: 1,714,309.84
Step by Step Solution
- Step 1: Write the proportion equation
2,260,783.44 : 3,119,880.42 = 1,242,253.80 : x - Step 2: Convert to fraction form
2,260,783.44/3,119,880.42 = 1,242,253.80/x - Step 3: Cross multiply
2,260,783.44x = 3,119,880.42 × 1,242,253.80 - Step 4: Simplify right side
2,260,783.44x = 3,875,683,307,290.60 - Step 5: Solve for x
x = 3,875,683,307,290.60/2,260,783.44 - Step 6: Final answer
x = 1,714,309.84
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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.