Finding the Fourth Proportional to 4,486,942.36, 6,732,109.54 and 1,756,441.06
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Solution
The fourth proportional to 4,486,942.36, 6,732,109.54 and 1,756,441.06 is: 2,635,325.50
Step by Step Solution
- Step 1: Write the proportion equation
4,486,942.36 : 6,732,109.54 = 1,756,441.06 : x - Step 2: Convert to fraction form
4,486,942.36/6,732,109.54 = 1,756,441.06/x - Step 3: Cross multiply
4,486,942.36x = 6,732,109.54 × 1,756,441.06 - Step 4: Simplify right side
4,486,942.36x = 11,824,553,616,473.71 - Step 5: Solve for x
x = 11,824,553,616,473.71/4,486,942.36 - Step 6: Final answer
x = 2,635,325.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.