Finding the Fourth Proportional to 1,493,959.28, 2,061,691.88 and 814,920.08
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Solution
The fourth proportional to 1,493,959.28, 2,061,691.88 and 814,920.08 is: 1,124,605.02
Step by Step Solution
- Step 1: Write the proportion equation
1,493,959.28 : 2,061,691.88 = 814,920.08 : x - Step 2: Convert to fraction form
1,493,959.28/2,061,691.88 = 814,920.08/x - Step 3: Cross multiply
1,493,959.28x = 2,061,691.88 × 814,920.08 - Step 4: Simplify right side
1,493,959.28x = 1,680,114,111,784.95 - Step 5: Solve for x
x = 1,680,114,111,784.95/1,493,959.28 - Step 6: Final answer
x = 1,124,605.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.