Finding the Fourth Proportional to 1,693,377.98, 2,336,862.83 and 919,008.62
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Solution
The fourth proportional to 1,693,377.98, 2,336,862.83 and 919,008.62 is: 1,268,232.55
Step by Step Solution
- Step 1: Write the proportion equation
1,693,377.98 : 2,336,862.83 = 919,008.62 : x - Step 2: Convert to fraction form
1,693,377.98/2,336,862.83 = 919,008.62/x - Step 3: Cross multiply
1,693,377.98x = 2,336,862.83 × 919,008.62 - Step 4: Simplify right side
1,693,377.98x = 2,147,597,068,248.24 - Step 5: Solve for x
x = 2,147,597,068,248.24/1,693,377.98 - Step 6: Final answer
x = 1,268,232.55
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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.