Finding the Fourth Proportional to 4,956,429, 6,839,989.92 and 2,781,133.08
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Solution
The fourth proportional to 4,956,429, 6,839,989.92 and 2,781,133.08 is: 3,838,029.81
Step by Step Solution
- Step 1: Write the proportion equation
4,956,429 : 6,839,989.92 = 2,781,133.08 : x - Step 2: Convert to fraction form
4,956,429/6,839,989.92 = 2,781,133.08/x - Step 3: Cross multiply
4,956,429x = 6,839,989.92 × 2,781,133.08 - Step 4: Simplify right side
4,956,429x = 19,022,922,233,378.55 - Step 5: Solve for x
x = 19,022,922,233,378.55/4,956,429 - Step 6: Final answer
x = 3,838,029.81
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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.