Finding the Fourth Proportional to 3,642,775.40, 5,464,428.30 and 1,398,913.40
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Solution
The fourth proportional to 3,642,775.40, 5,464,428.30 and 1,398,913.40 is: 2,098,471.94
Step by Step Solution
- Step 1: Write the proportion equation
3,642,775.40 : 5,464,428.30 = 1,398,913.40 : x - Step 2: Convert to fraction form
3,642,775.40/5,464,428.30 = 1,398,913.40/x - Step 3: Cross multiply
3,642,775.40x = 5,464,428.30 × 1,398,913.40 - Step 4: Simplify right side
3,642,775.40x = 7,644,261,972,209.22 - Step 5: Solve for x
x = 7,644,261,972,209.22/3,642,775.40 - Step 6: Final answer
x = 2,098,471.94
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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.