Finding the Fourth Proportional to 2,767,735.20, 3,819,748.68 and 1,679,921.40
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Solution
The fourth proportional to 2,767,735.20, 3,819,748.68 and 1,679,921.40 is: 2,318,457.90
Step by Step Solution
- Step 1: Write the proportion equation
2,767,735.20 : 3,819,748.68 = 1,679,921.40 : x - Step 2: Convert to fraction form
2,767,735.20/3,819,748.68 = 1,679,921.40/x - Step 3: Cross multiply
2,767,735.20x = 3,819,748.68 × 1,679,921.40 - Step 4: Simplify right side
2,767,735.20x = 6,416,877,550,153.75 - Step 5: Solve for x
x = 6,416,877,550,153.75/2,767,735.20 - Step 6: Final answer
x = 2,318,457.90
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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.