Finding the Fourth Proportional to 2,971,717.88, 4,101,166.62 and 1,665,074.68
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Solution
The fourth proportional to 2,971,717.88, 4,101,166.62 and 1,665,074.68 is: 2,297,912.85
Step by Step Solution
- Step 1: Write the proportion equation
2,971,717.88 : 4,101,166.62 = 1,665,074.68 : x - Step 2: Convert to fraction form
2,971,717.88/4,101,166.62 = 1,665,074.68/x - Step 3: Cross multiply
2,971,717.88x = 4,101,166.62 × 1,665,074.68 - Step 4: Simplify right side
2,971,717.88x = 6,828,748,697,423.18 - Step 5: Solve for x
x = 6,828,748,697,423.18/2,971,717.88 - Step 6: Final answer
x = 2,297,912.85
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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.