Finding the Fourth Proportional to 2,900,313.80, 4,350,470.70 and 1,006,857.80
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Solution
The fourth proportional to 2,900,313.80, 4,350,470.70 and 1,006,857.80 is: 1,510,286.70
Step by Step Solution
- Step 1: Write the proportion equation
2,900,313.80 : 4,350,470.70 = 1,006,857.80 : x - Step 2: Convert to fraction form
2,900,313.80/4,350,470.70 = 1,006,857.80/x - Step 3: Cross multiply
2,900,313.80x = 4,350,470.70 × 1,006,857.80 - Step 4: Simplify right side
2,900,313.80x = 4,380,305,357,966.46 - Step 5: Solve for x
x = 4,380,305,357,966.46/2,900,313.80 - Step 6: Final answer
x = 1,510,286.70
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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.