Finding the Fourth Proportional to 1,468,915.80, 2,201,645.70 and 838,426.20
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Solution
The fourth proportional to 1,468,915.80, 2,201,645.70 and 838,426.20 is: 1,256,652.99
Step by Step Solution
- Step 1: Write the proportion equation
1,468,915.80 : 2,201,645.70 = 838,426.20 : x - Step 2: Convert to fraction form
1,468,915.80/2,201,645.70 = 838,426.20/x - Step 3: Cross multiply
1,468,915.80x = 2,201,645.70 × 838,426.20 - Step 4: Simplify right side
1,468,915.80x = 1,845,917,437,997.34 - Step 5: Solve for x
x = 1,845,917,437,997.34/1,468,915.80 - Step 6: Final answer
x = 1,256,652.99
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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.