Finding the Fourth Proportional to 1,645,165.40, 2,468,525.70 and 699,344.60
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Solution
The fourth proportional to 1,645,165.40, 2,468,525.70 and 699,344.60 is: 1,049,347.45
Step by Step Solution
- Step 1: Write the proportion equation
1,645,165.40 : 2,468,525.70 = 699,344.60 : x - Step 2: Convert to fraction form
1,645,165.40/2,468,525.70 = 699,344.60/x - Step 3: Cross multiply
1,645,165.40x = 2,468,525.70 × 699,344.60 - Step 4: Simplify right side
1,645,165.40x = 1,726,350,118,256.22 - Step 5: Solve for x
x = 1,726,350,118,256.22/1,645,165.40 - Step 6: Final answer
x = 1,049,347.45
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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.