Finding the Fourth Proportional to 2,260,738.96, 3,119,855.17 and 1,228,267.19
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Solution
The fourth proportional to 2,260,738.96, 3,119,855.17 and 1,228,267.19 is: 1,695,027.96
Step by Step Solution
- Step 1: Write the proportion equation
2,260,738.96 : 3,119,855.17 = 1,228,267.19 : x - Step 2: Convert to fraction form
2,260,738.96/3,119,855.17 = 1,228,267.19/x - Step 3: Cross multiply
2,260,738.96x = 3,119,855.17 × 1,228,267.19 - Step 4: Simplify right side
2,260,738.96x = 3,832,015,748,167.65 - Step 5: Solve for x
x = 3,832,015,748,167.65/2,260,738.96 - Step 6: Final answer
x = 1,695,027.96
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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.