Finding the Fourth Proportional to 1,883,824.08, 2,606,522.76 and 1,642,609.32
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Solution
The fourth proportional to 1,883,824.08, 2,606,522.76 and 1,642,609.32 is: 2,272,769.85
Step by Step Solution
- Step 1: Write the proportion equation
1,883,824.08 : 2,606,522.76 = 1,642,609.32 : x - Step 2: Convert to fraction form
1,883,824.08/2,606,522.76 = 1,642,609.32/x - Step 3: Cross multiply
1,883,824.08x = 2,606,522.76 × 1,642,609.32 - Step 4: Simplify right side
1,883,824.08x = 4,281,498,578,368.12 - Step 5: Solve for x
x = 4,281,498,578,368.12/1,883,824.08 - Step 6: Final answer
x = 2,272,769.85
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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.