Finding the Fourth Proportional to 2,248,157.12, 3,102,380.06 and 1,281,598.79
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Solution
The fourth proportional to 2,248,157.12, 3,102,380.06 and 1,281,598.79 is: 1,768,562.56
Step by Step Solution
- Step 1: Write the proportion equation
2,248,157.12 : 3,102,380.06 = 1,281,598.79 : x - Step 2: Convert to fraction form
2,248,157.12/3,102,380.06 = 1,281,598.79/x - Step 3: Cross multiply
2,248,157.12x = 3,102,380.06 × 1,281,598.79 - Step 4: Simplify right side
2,248,157.12x = 3,976,006,509,096.23 - Step 5: Solve for x
x = 3,976,006,509,096.23/2,248,157.12 - Step 6: Final answer
x = 1,768,562.56
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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.