Finding the Fourth Proportional to 3,432,103.18, 4,735,129.25 and 1,960,956.14
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Solution
The fourth proportional to 3,432,103.18, 4,735,129.25 and 1,960,956.14 is: 2,705,449.19
Step by Step Solution
- Step 1: Write the proportion equation
3,432,103.18 : 4,735,129.25 = 1,960,956.14 : x - Step 2: Convert to fraction form
3,432,103.18/4,735,129.25 = 1,960,956.14/x - Step 3: Cross multiply
3,432,103.18x = 4,735,129.25 × 1,960,956.14 - Step 4: Simplify right side
3,432,103.18x = 9,285,380,757,707.84 - Step 5: Solve for x
x = 9,285,380,757,707.84/3,432,103.18 - Step 6: Final answer
x = 2,705,449.19
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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.