Finding the Fourth Proportional to 5,710,934.16, 7,881,336.36 and 3,418,651.44
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Solution
The fourth proportional to 5,710,934.16, 7,881,336.36 and 3,418,651.44 is: 4,717,886.98
Step by Step Solution
- Step 1: Write the proportion equation
5,710,934.16 : 7,881,336.36 = 3,418,651.44 : x - Step 2: Convert to fraction form
5,710,934.16/7,881,336.36 = 3,418,651.44/x - Step 3: Cross multiply
5,710,934.16x = 7,881,336.36 × 3,418,651.44 - Step 4: Simplify right side
5,710,934.16x = 26,943,541,896,238.36 - Step 5: Solve for x
x = 26,943,541,896,238.36/5,710,934.16 - Step 6: Final answer
x = 4,717,886.98
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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.