Finding the Fourth Proportional to 1,637,621.09, 2,259,926.06 and 949,700.81
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Solution
The fourth proportional to 1,637,621.09, 2,259,926.06 and 949,700.81 is: 1,310,592.32
Step by Step Solution
- Step 1: Write the proportion equation
1,637,621.09 : 2,259,926.06 = 949,700.81 : x - Step 2: Convert to fraction form
1,637,621.09/2,259,926.06 = 949,700.81/x - Step 3: Cross multiply
1,637,621.09x = 2,259,926.06 × 949,700.81 - Step 4: Simplify right side
1,637,621.09x = 2,146,253,612,280.48 - Step 5: Solve for x
x = 2,146,253,612,280.48/1,637,621.09 - Step 6: Final answer
x = 1,310,592.32
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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.