Finding the Fourth Proportional to 3,420,088.70, 5,127,235.58 and 1,499,544.42
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Solution
The fourth proportional to 3,420,088.70, 5,127,235.58 and 1,499,544.42 is: 2,248,046.23
Step by Step Solution
- Step 1: Write the proportion equation
3,420,088.70 : 5,127,235.58 = 1,499,544.42 : x - Step 2: Convert to fraction form
3,420,088.70/5,127,235.58 = 1,499,544.42/x - Step 3: Cross multiply
3,420,088.70x = 5,127,235.58 × 1,499,544.42 - Step 4: Simplify right side
3,420,088.70x = 7,688,517,504,014.46 - Step 5: Solve for x
x = 7,688,517,504,014.46/3,420,088.70 - Step 6: Final answer
x = 2,248,046.23
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1.5x scale
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.