Finding the Fourth Proportional to 1,693,432.55, 2,336,954.39 and 919,070.08
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Solution
The fourth proportional to 1,693,432.55, 2,336,954.39 and 919,070.08 is: 1,268,326.19
Step by Step Solution
- Step 1: Write the proportion equation
1,693,432.55 : 2,336,954.39 = 919,070.08 : x - Step 2: Convert to fraction form
1,693,432.55/2,336,954.39 = 919,070.08/x - Step 3: Cross multiply
1,693,432.55x = 2,336,954.39 × 919,070.08 - Step 4: Simplify right side
1,693,432.55x = 2,147,824,861,041.45 - Step 5: Solve for x
x = 2,147,824,861,041.45/1,693,432.55 - Step 6: Final answer
x = 1,268,326.19
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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.