Finding the Fourth Proportional to 4,915,194.09, 7,376,070.42 and 1,720,320.41
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Solution
The fourth proportional to 4,915,194.09, 7,376,070.42 and 1,720,320.41 is: 2,581,628.36
Step by Step Solution
- Step 1: Write the proportion equation
4,915,194.09 : 7,376,070.42 = 1,720,320.41 : x - Step 2: Convert to fraction form
4,915,194.09/7,376,070.42 = 1,720,320.41/x - Step 3: Cross multiply
4,915,194.09x = 7,376,070.42 × 1,720,320.41 - Step 4: Simplify right side
4,915,194.09x = 12,689,204,452,242.92 - Step 5: Solve for x
x = 12,689,204,452,242.92/4,915,194.09 - Step 6: Final answer
x = 2,581,628.36
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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.