Finding the Fourth Proportional to 4,612,346.13, 6,912,518.16 and 1,876,705.44
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Solution
The fourth proportional to 4,612,346.13, 6,912,518.16 and 1,876,705.44 is: 2,812,616.41
Step by Step Solution
- Step 1: Write the proportion equation
4,612,346.13 : 6,912,518.16 = 1,876,705.44 : x - Step 2: Convert to fraction form
4,612,346.13/6,912,518.16 = 1,876,705.44/x - Step 3: Cross multiply
4,612,346.13x = 6,912,518.16 × 1,876,705.44 - Step 4: Simplify right side
4,612,346.13x = 12,972,760,434,970.79 - Step 5: Solve for x
x = 12,972,760,434,970.79/4,612,346.13 - Step 6: Final answer
x = 2,812,616.41
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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.