Finding the Fourth Proportional to 1,338,910.40, 1,847,690.34 and 727,058.18
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Solution
The fourth proportional to 1,338,910.40, 1,847,690.34 and 727,058.18 is: 1,003,337.02
Step by Step Solution
- Step 1: Write the proportion equation
1,338,910.40 : 1,847,690.34 = 727,058.18 : x - Step 2: Convert to fraction form
1,338,910.40/1,847,690.34 = 727,058.18/x - Step 3: Cross multiply
1,338,910.40x = 1,847,690.34 × 727,058.18 - Step 4: Simplify right side
1,338,910.40x = 1,343,378,375,803.98 - Step 5: Solve for x
x = 1,343,378,375,803.98/1,338,910.40 - Step 6: Final answer
x = 1,003,337.02
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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.