Finding the Fourth Proportional to 4,640,394.16, 6,960,857.12 and 1,228,591.98
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Solution
The fourth proportional to 4,640,394.16, 6,960,857.12 and 1,228,591.98 is: 1,842,958.36
Step by Step Solution
- Step 1: Write the proportion equation
4,640,394.16 : 6,960,857.12 = 1,228,591.98 : x - Step 2: Convert to fraction form
4,640,394.16/6,960,857.12 = 1,228,591.98/x - Step 3: Cross multiply
4,640,394.16x = 6,960,857.12 × 1,228,591.98 - Step 4: Simplify right side
4,640,394.16x = 8,552,053,231,557.90 - Step 5: Solve for x
x = 8,552,053,231,557.90/4,640,394.16 - Step 6: Final answer
x = 1,842,958.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.