Finding the Fourth Proportional to 2,227,211.64, 3,073,560.12 and 1,208,616.12
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Solution
The fourth proportional to 2,227,211.64, 3,073,560.12 and 1,208,616.12 is: 1,667,894.62
Step by Step Solution
- Step 1: Write the proportion equation
2,227,211.64 : 3,073,560.12 = 1,208,616.12 : x - Step 2: Convert to fraction form
2,227,211.64/3,073,560.12 = 1,208,616.12/x - Step 3: Cross multiply
2,227,211.64x = 3,073,560.12 × 1,208,616.12 - Step 4: Simplify right side
2,227,211.64x = 3,714,754,306,821.14 - Step 5: Solve for x
x = 3,714,754,306,821.14/2,227,211.64 - Step 6: Final answer
x = 1,667,894.62
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1.5x scale
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.