Finding the Fourth Proportional to 3,115,337.84, 4,299,366.88 and 1,757,181.68
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Solution
The fourth proportional to 3,115,337.84, 4,299,366.88 and 1,757,181.68 is: 2,425,023.90
Step by Step Solution
- Step 1: Write the proportion equation
3,115,337.84 : 4,299,366.88 = 1,757,181.68 : x - Step 2: Convert to fraction form
3,115,337.84/4,299,366.88 = 1,757,181.68/x - Step 3: Cross multiply
3,115,337.84x = 4,299,366.88 × 1,757,181.68 - Step 4: Simplify right side
3,115,337.84x = 7,554,768,717,134.76 - Step 5: Solve for x
x = 7,554,768,717,134.76/3,115,337.84 - Step 6: Final answer
x = 2,425,023.90
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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.