Finding the Fourth Proportional to 3,658,605.80, 5,487,908.70 and 3,588,621.80
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Solution
The fourth proportional to 3,658,605.80, 5,487,908.70 and 3,588,621.80 is: 5,382,932.70
Step by Step Solution
- Step 1: Write the proportion equation
3,658,605.80 : 5,487,908.70 = 3,588,621.80 : x - Step 2: Convert to fraction form
3,658,605.80/5,487,908.70 = 3,588,621.80/x - Step 3: Cross multiply
3,658,605.80x = 5,487,908.70 × 3,588,621.80 - Step 4: Simplify right side
3,658,605.80x = 19,694,028,797,229.66 - Step 5: Solve for x
x = 19,694,028,797,229.66/3,658,605.80 - Step 6: Final answer
x = 5,382,932.70
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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.