Finding the Fourth Proportional to 2,079,302.60, 3,119,990.70 and 1,181,433.80
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Solution
The fourth proportional to 2,079,302.60, 3,119,990.70 and 1,181,433.80 is: 1,772,739.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,302.60 : 3,119,990.70 = 1,181,433.80 : x - Step 2: Convert to fraction form
2,079,302.60/3,119,990.70 = 1,181,433.80/x - Step 3: Cross multiply
2,079,302.60x = 3,119,990.70 × 1,181,433.80 - Step 4: Simplify right side
2,079,302.60x = 3,686,062,468,665.66 - Step 5: Solve for x
x = 3,686,062,468,665.66/2,079,302.60 - Step 6: Final answer
x = 1,772,739.80
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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.