Finding the Fourth Proportional to 1,535,618.40, 2,304,464.40 and 861,698.40
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Solution
The fourth proportional to 1,535,618.40, 2,304,464.40 and 861,698.40 is: 1,293,129.39
Step by Step Solution
- Step 1: Write the proportion equation
1,535,618.40 : 2,304,464.40 = 861,698.40 : x - Step 2: Convert to fraction form
1,535,618.40/2,304,464.40 = 861,698.40/x - Step 3: Cross multiply
1,535,618.40x = 2,304,464.40 × 861,698.40 - Step 4: Simplify right side
1,535,618.40x = 1,985,753,286,336.96 - Step 5: Solve for x
x = 1,985,753,286,336.96/1,535,618.40 - Step 6: Final answer
x = 1,293,129.39
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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.