Finding the Fourth Proportional to 2,480,964.68, 3,423,536.34 and 1,407,876.68
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Solution
The fourth proportional to 2,480,964.68, 3,423,536.34 and 1,407,876.68 is: 1,942,759.21
Step by Step Solution
- Step 1: Write the proportion equation
2,480,964.68 : 3,423,536.34 = 1,407,876.68 : x - Step 2: Convert to fraction form
2,480,964.68/3,423,536.34 = 1,407,876.68/x - Step 3: Cross multiply
2,480,964.68x = 3,423,536.34 × 1,407,876.68 - Step 4: Simplify right side
2,480,964.68x = 4,819,916,976,218.55 - Step 5: Solve for x
x = 4,819,916,976,218.55/2,480,964.68 - Step 6: Final answer
x = 1,942,759.21
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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.