Finding the Fourth Proportional to 1,720,299.63, 2,580,390.74 and 440,919.71
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Solution
The fourth proportional to 1,720,299.63, 2,580,390.74 and 440,919.71 is: 661,364.51
Step by Step Solution
- Step 1: Write the proportion equation
1,720,299.63 : 2,580,390.74 = 440,919.71 : x - Step 2: Convert to fraction form
1,720,299.63/2,580,390.74 = 440,919.71/x - Step 3: Cross multiply
1,720,299.63x = 2,580,390.74 × 440,919.71 - Step 4: Simplify right side
1,720,299.63x = 1,137,745,121,660.93 - Step 5: Solve for x
x = 1,137,745,121,660.93/1,720,299.63 - Step 6: Final answer
x = 661,364.51
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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.