Finding the Fourth Proportional to 2,824,486.83, 3,900,967.16 and 2,187,612.99
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Solution
The fourth proportional to 2,824,486.83, 3,900,967.16 and 2,187,612.99 is: 3,021,365.27
Step by Step Solution
- Step 1: Write the proportion equation
2,824,486.83 : 3,900,967.16 = 2,187,612.99 : x - Step 2: Convert to fraction form
2,824,486.83/3,900,967.16 = 2,187,612.99/x - Step 3: Cross multiply
2,824,486.83x = 3,900,967.16 × 2,187,612.99 - Step 4: Simplify right side
2,824,486.83x = 8,533,806,421,841.34 - Step 5: Solve for x
x = 8,533,806,421,841.34/2,824,486.83 - Step 6: Final answer
x = 3,021,365.27
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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.