Finding the Fourth Proportional to 3,130,436.98, 4,319,022.49 and 1,753,594.73
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Solution
The fourth proportional to 3,130,436.98, 4,319,022.49 and 1,753,594.73 is: 2,419,411.45
Step by Step Solution
- Step 1: Write the proportion equation
3,130,436.98 : 4,319,022.49 = 1,753,594.73 : x - Step 2: Convert to fraction form
3,130,436.98/4,319,022.49 = 1,753,594.73/x - Step 3: Cross multiply
3,130,436.98x = 4,319,022.49 × 1,753,594.73 - Step 4: Simplify right side
3,130,436.98x = 7,573,815,051,236.38 - Step 5: Solve for x
x = 7,573,815,051,236.38/3,130,436.98 - Step 6: Final answer
x = 2,419,411.45
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1.5x scale
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.