Finding the Fourth Proportional to 2,078,691.30, 3,117,599.55 and 880,652.70
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Solution
The fourth proportional to 2,078,691.30, 3,117,599.55 and 880,652.70 is: 1,320,793.74
Step by Step Solution
- Step 1: Write the proportion equation
2,078,691.30 : 3,117,599.55 = 880,652.70 : x - Step 2: Convert to fraction form
2,078,691.30/3,117,599.55 = 880,652.70/x - Step 3: Cross multiply
2,078,691.30x = 3,117,599.55 × 880,652.70 - Step 4: Simplify right side
2,078,691.30x = 2,745,522,461,226.28 - Step 5: Solve for x
x = 2,745,522,461,226.28/2,078,691.30 - Step 6: Final answer
x = 1,320,793.74
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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.