Finding the Fourth Proportional to 1,721,354.88, 2,576,511.36 and 920,634.24
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Solution
The fourth proportional to 1,721,354.88, 2,576,511.36 and 920,634.24 is: 1,377,998.58
Step by Step Solution
- Step 1: Write the proportion equation
1,721,354.88 : 2,576,511.36 = 920,634.24 : x - Step 2: Convert to fraction form
1,721,354.88/2,576,511.36 = 920,634.24/x - Step 3: Cross multiply
1,721,354.88x = 2,576,511.36 × 920,634.24 - Step 4: Simplify right side
1,721,354.88x = 2,372,024,577,764.97 - Step 5: Solve for x
x = 2,372,024,577,764.97/1,721,354.88 - Step 6: Final answer
x = 1,377,998.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.