Finding the Fourth Proportional to 1,707,652.10, 2,561,478.15 and 642,933.02
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Solution
The fourth proportional to 1,707,652.10, 2,561,478.15 and 642,933.02 is: 964,399.53
Step by Step Solution
- Step 1: Write the proportion equation
1,707,652.10 : 2,561,478.15 = 642,933.02 : x - Step 2: Convert to fraction form
1,707,652.10/2,561,478.15 = 642,933.02/x - Step 3: Cross multiply
1,707,652.10x = 2,561,478.15 × 642,933.02 - Step 4: Simplify right side
1,707,652.10x = 1,646,858,882,643.51 - Step 5: Solve for x
x = 1,646,858,882,643.51/1,707,652.10 - Step 6: Final answer
x = 964,399.53
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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.