Finding the Fourth Proportional to 2,664,486.14, 3,676,988.03 and 1,440,788.58
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Solution
The fourth proportional to 2,664,486.14, 3,676,988.03 and 1,440,788.58 is: 1,988,286.70
Step by Step Solution
- Step 1: Write the proportion equation
2,664,486.14 : 3,676,988.03 = 1,440,788.58 : x - Step 2: Convert to fraction form
2,664,486.14/3,676,988.03 = 1,440,788.58/x - Step 3: Cross multiply
2,664,486.14x = 3,676,988.03 × 1,440,788.58 - Step 4: Simplify right side
2,664,486.14x = 5,297,762,355,216.76 - Step 5: Solve for x
x = 5,297,762,355,216.76/2,664,486.14 - Step 6: Final answer
x = 1,988,286.70
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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.