Finding the Fourth Proportional to 3,420,969.19, 5,127,358.62 and 1,596,879.97
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Solution
The fourth proportional to 3,420,969.19, 5,127,358.62 and 1,596,879.97 is: 2,393,408.37
Step by Step Solution
- Step 1: Write the proportion equation
3,420,969.19 : 5,127,358.62 = 1,596,879.97 : x - Step 2: Convert to fraction form
3,420,969.19/5,127,358.62 = 1,596,879.97/x - Step 3: Cross multiply
3,420,969.19x = 5,127,358.62 × 1,596,879.97 - Step 4: Simplify right side
3,420,969.19x = 8,187,776,272,454.75 - Step 5: Solve for x
x = 8,187,776,272,454.75/3,420,969.19 - Step 6: Final answer
x = 2,393,408.37
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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.