Finding the Fourth Proportional to 1,829,612.31, 2,524,920.39 and 1,013,739.68
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Solution
The fourth proportional to 1,829,612.31, 2,524,920.39 and 1,013,739.68 is: 1,398,991.45
Step by Step Solution
- Step 1: Write the proportion equation
1,829,612.31 : 2,524,920.39 = 1,013,739.68 : x - Step 2: Convert to fraction form
1,829,612.31/2,524,920.39 = 1,013,739.68/x - Step 3: Cross multiply
1,829,612.31x = 2,524,920.39 × 1,013,739.68 - Step 4: Simplify right side
1,829,612.31x = 2,559,611,975,559.47 - Step 5: Solve for x
x = 2,559,611,975,559.47/1,829,612.31 - Step 6: Final answer
x = 1,398,991.45
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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.