Finding the Fourth Proportional to 3,058,356.20, 4,220,536.41 and 1,700,229.20
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Solution
The fourth proportional to 3,058,356.20, 4,220,536.41 and 1,700,229.20 is: 2,346,318.99
Step by Step Solution
- Step 1: Write the proportion equation
3,058,356.20 : 4,220,536.41 = 1,700,229.20 : x - Step 2: Convert to fraction form
3,058,356.20/4,220,536.41 = 1,700,229.20/x - Step 3: Cross multiply
3,058,356.20x = 4,220,536.41 × 1,700,229.20 - Step 4: Simplify right side
3,058,356.20x = 7,175,879,222,842.49 - Step 5: Solve for x
x = 7,175,879,222,842.49/3,058,356.20 - Step 6: Final answer
x = 2,346,318.99
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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.