Finding the Fourth Proportional to 4,968,068.11, 6,855,971.87 and 2,762,961.80
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Solution
The fourth proportional to 4,968,068.11, 6,855,971.87 and 2,762,961.80 is: 3,812,908.35
Step by Step Solution
- Step 1: Write the proportion equation
4,968,068.11 : 6,855,971.87 = 2,762,961.80 : x - Step 2: Convert to fraction form
4,968,068.11/6,855,971.87 = 2,762,961.80/x - Step 3: Cross multiply
4,968,068.11x = 6,855,971.87 × 2,762,961.80 - Step 4: Simplify right side
4,968,068.11x = 18,942,788,378,684.57 - Step 5: Solve for x
x = 18,942,788,378,684.57/4,968,068.11 - Step 6: Final answer
x = 3,812,908.35
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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.