Finding the Fourth Proportional to 2,268,637.96, 3,130,683.23 and 1,236,157.99
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Solution
The fourth proportional to 2,268,637.96, 3,130,683.23 and 1,236,157.99 is: 1,705,877.78
Step by Step Solution
- Step 1: Write the proportion equation
2,268,637.96 : 3,130,683.23 = 1,236,157.99 : x - Step 2: Convert to fraction form
2,268,637.96/3,130,683.23 = 1,236,157.99/x - Step 3: Cross multiply
2,268,637.96x = 3,130,683.23 × 1,236,157.99 - Step 4: Simplify right side
2,268,637.96x = 3,870,019,088,923.51 - Step 5: Solve for x
x = 3,870,019,088,923.51/2,268,637.96 - Step 6: Final answer
x = 1,705,877.78
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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.