Finding the Fourth Proportional to 3,340,804.86, 4,610,310.72 and 1,812,911.99
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Solution
The fourth proportional to 3,340,804.86, 4,610,310.72 and 1,812,911.99 is: 2,501,818.54
Step by Step Solution
- Step 1: Write the proportion equation
3,340,804.86 : 4,610,310.72 = 1,812,911.99 : x - Step 2: Convert to fraction form
3,340,804.86/4,610,310.72 = 1,812,911.99/x - Step 3: Cross multiply
3,340,804.86x = 4,610,310.72 × 1,812,911.99 - Step 4: Simplify right side
3,340,804.86x = 8,358,087,552,063.56 - Step 5: Solve for x
x = 8,358,087,552,063.56/3,340,804.86 - Step 6: Final answer
x = 2,501,818.54
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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.