Finding the Fourth Proportional to 1,468,920.80, 2,201,653.20 and 838,431.20
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Solution
The fourth proportional to 1,468,920.80, 2,201,653.20 and 838,431.20 is: 1,256,660.49
Step by Step Solution
- Step 1: Write the proportion equation
1,468,920.80 : 2,201,653.20 = 838,431.20 : x - Step 2: Convert to fraction form
1,468,920.80/2,201,653.20 = 838,431.20/x - Step 3: Cross multiply
1,468,920.80x = 2,201,653.20 × 838,431.20 - Step 4: Simplify right side
1,468,920.80x = 1,845,934,734,459.84 - Step 5: Solve for x
x = 1,845,934,734,459.84/1,468,920.80 - Step 6: Final answer
x = 1,256,660.49
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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.