Finding the Fourth Proportional to 4,590,902.30, 6,886,353.45 and 2,465,138.30
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Solution
The fourth proportional to 4,590,902.30, 6,886,353.45 and 2,465,138.30 is: 3,697,707.45
Step by Step Solution
- Step 1: Write the proportion equation
4,590,902.30 : 6,886,353.45 = 2,465,138.30 : x - Step 2: Convert to fraction form
4,590,902.30/6,886,353.45 = 2,465,138.30/x - Step 3: Cross multiply
4,590,902.30x = 6,886,353.45 × 2,465,138.30 - Step 4: Simplify right side
4,590,902.30x = 16,975,813,636,932.13 - Step 5: Solve for x
x = 16,975,813,636,932.13/4,590,902.30 - Step 6: Final answer
x = 3,697,707.45
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Double scale
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Similar ratio
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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.