Finding the Fourth Proportional to 4,956,432.05, 6,839,994.08 and 2,781,136.09
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Solution
The fourth proportional to 4,956,432.05, 6,839,994.08 and 2,781,136.09 is: 3,838,033.92
Step by Step Solution
- Step 1: Write the proportion equation
4,956,432.05 : 6,839,994.08 = 2,781,136.09 : x - Step 2: Convert to fraction form
4,956,432.05/6,839,994.08 = 2,781,136.09/x - Step 3: Cross multiply
4,956,432.05x = 6,839,994.08 × 2,781,136.09 - Step 4: Simplify right side
4,956,432.05x = 19,022,954,343,168.70 - Step 5: Solve for x
x = 19,022,954,343,168.70/4,956,432.05 - Step 6: Final answer
x = 3,838,033.92
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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.