Finding the Fourth Proportional to 7,312,548.84, 10,963,767.16 and 3,211,891.03
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Solution
The fourth proportional to 7,312,548.84, 10,963,767.16 and 3,211,891.03 is: 4,815,615.75
Step by Step Solution
- Step 1: Write the proportion equation
7,312,548.84 : 10,963,767.16 = 3,211,891.03 : x - Step 2: Convert to fraction form
7,312,548.84/10,963,767.16 = 3,211,891.03/x - Step 3: Cross multiply
7,312,548.84x = 10,963,767.16 × 3,211,891.03 - Step 4: Simplify right side
7,312,548.84x = 35,214,425,396,212.57 - Step 5: Solve for x
x = 35,214,425,396,212.57/7,312,548.84 - Step 6: Final answer
x = 4,815,615.75
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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.