Finding the Fourth Proportional to 1,617,578.70, 2,232,243.15 and 892,432.26
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Solution
The fourth proportional to 1,617,578.70, 2,232,243.15 and 892,432.26 is: 1,231,547.99
Step by Step Solution
- Step 1: Write the proportion equation
1,617,578.70 : 2,232,243.15 = 892,432.26 : x - Step 2: Convert to fraction form
1,617,578.70/2,232,243.15 = 892,432.26/x - Step 3: Cross multiply
1,617,578.70x = 2,232,243.15 × 892,432.26 - Step 4: Simplify right side
1,617,578.70x = 1,992,125,799,224.02 - Step 5: Solve for x
x = 1,992,125,799,224.02/1,617,578.70 - Step 6: Final answer
x = 1,231,547.99
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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.