Finding the Fourth Proportional to 3,203,166.89, 4,420,370.85 and 1,752,862.70
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Solution
The fourth proportional to 3,203,166.89, 4,420,370.85 and 1,752,862.70 is: 2,418,950.82
Step by Step Solution
- Step 1: Write the proportion equation
3,203,166.89 : 4,420,370.85 = 1,752,862.70 : x - Step 2: Convert to fraction form
3,203,166.89/4,420,370.85 = 1,752,862.70/x - Step 3: Cross multiply
3,203,166.89x = 4,420,370.85 × 1,752,862.70 - Step 4: Simplify right side
3,203,166.89x = 7,748,303,183,132.29 - Step 5: Solve for x
x = 7,748,303,183,132.29/3,203,166.89 - Step 6: Final answer
x = 2,418,950.82
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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.