Finding the Fourth Proportional to 1,539,825.23, 2,124,972.57 and 851,543.41
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Solution
The fourth proportional to 1,539,825.23, 2,124,972.57 and 851,543.41 is: 1,175,137.51
Step by Step Solution
- Step 1: Write the proportion equation
1,539,825.23 : 2,124,972.57 = 851,543.41 : x - Step 2: Convert to fraction form
1,539,825.23/2,124,972.57 = 851,543.41/x - Step 3: Cross multiply
1,539,825.23x = 2,124,972.57 × 851,543.41 - Step 4: Simplify right side
1,539,825.23x = 1,809,506,388,414.26 - Step 5: Solve for x
x = 1,809,506,388,414.26/1,539,825.23 - Step 6: Final answer
x = 1,175,137.51
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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.