Finding the Fourth Proportional to 5,073,183.84, 7,000,807.92 and 2,781,294.24
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Solution
The fourth proportional to 5,073,183.84, 7,000,807.92 and 2,781,294.24 is: 3,838,084.20
Step by Step Solution
- Step 1: Write the proportion equation
5,073,183.84 : 7,000,807.92 = 2,781,294.24 : x - Step 2: Convert to fraction form
5,073,183.84/7,000,807.92 = 2,781,294.24/x - Step 3: Cross multiply
5,073,183.84x = 7,000,807.92 × 2,781,294.24 - Step 4: Simplify right side
5,073,183.84x = 19,471,306,743,242.38 - Step 5: Solve for x
x = 19,471,306,743,242.38/5,073,183.84 - Step 6: Final answer
x = 3,838,084.20
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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.