Finding the Fourth Proportional to 1,920,324.73, 2,880,916.07 and 722,257.44
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Solution
The fourth proportional to 1,920,324.73, 2,880,916.07 and 722,257.44 is: 1,083,547.50
Step by Step Solution
- Step 1: Write the proportion equation
1,920,324.73 : 2,880,916.07 = 722,257.44 : x - Step 2: Convert to fraction form
1,920,324.73/2,880,916.07 = 722,257.44/x - Step 3: Cross multiply
1,920,324.73x = 2,880,916.07 × 722,257.44 - Step 4: Simplify right side
1,920,324.73x = 2,080,763,065,573.06 - Step 5: Solve for x
x = 2,080,763,065,573.06/1,920,324.73 - Step 6: Final answer
x = 1,083,547.50
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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.