Finding the Fourth Proportional to 2,071,257.52, 2,859,219.12 and 1,392,587.68
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Solution
The fourth proportional to 2,071,257.52, 2,859,219.12 and 1,392,587.68 is: 1,922,365.17
Step by Step Solution
- Step 1: Write the proportion equation
2,071,257.52 : 2,859,219.12 = 1,392,587.68 : x - Step 2: Convert to fraction form
2,071,257.52/2,859,219.12 = 1,392,587.68/x - Step 3: Cross multiply
2,071,257.52x = 2,859,219.12 × 1,392,587.68 - Step 4: Simplify right side
2,071,257.52x = 3,981,713,320,932.44 - Step 5: Solve for x
x = 3,981,713,320,932.44/2,071,257.52 - Step 6: Final answer
x = 1,922,365.17
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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.