Finding the Fourth Proportional to 2,417,881.92, 3,336,471.36 and 1,399,349.76
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Solution
The fourth proportional to 2,417,881.92, 3,336,471.36 and 1,399,349.76 is: 1,930,983.63
Step by Step Solution
- Step 1: Write the proportion equation
2,417,881.92 : 3,336,471.36 = 1,399,349.76 : x - Step 2: Convert to fraction form
2,417,881.92/3,336,471.36 = 1,399,349.76/x - Step 3: Cross multiply
2,417,881.92x = 3,336,471.36 × 1,399,349.76 - Step 4: Simplify right side
2,417,881.92x = 4,668,890,396,862.87 - Step 5: Solve for x
x = 4,668,890,396,862.87/2,417,881.92 - Step 6: Final answer
x = 1,930,983.63
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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.