Finding the Fourth Proportional to 3,769,023.17, 5,202,175.73 and 2,138,384.99
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Solution
The fourth proportional to 3,769,023.17, 5,202,175.73 and 2,138,384.99 is: 2,951,495.38
Step by Step Solution
- Step 1: Write the proportion equation
3,769,023.17 : 5,202,175.73 = 2,138,384.99 : x - Step 2: Convert to fraction form
3,769,023.17/5,202,175.73 = 2,138,384.99/x - Step 3: Cross multiply
3,769,023.17x = 5,202,175.73 × 2,138,384.99 - Step 4: Simplify right side
3,769,023.17x = 11,124,254,459,671.49 - Step 5: Solve for x
x = 11,124,254,459,671.49/3,769,023.17 - Step 6: Final answer
x = 2,951,495.38
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1.5x scale
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.