Finding the Fourth Proportional to 1,539,984.57, 2,125,166.28 and 851,685.43
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Solution
The fourth proportional to 1,539,984.57, 2,125,166.28 and 851,685.43 is: 1,175,319.02
Step by Step Solution
- Step 1: Write the proportion equation
1,539,984.57 : 2,125,166.28 = 851,685.43 : x - Step 2: Convert to fraction form
1,539,984.57/2,125,166.28 = 851,685.43/x - Step 3: Cross multiply
1,539,984.57x = 2,125,166.28 × 851,685.43 - Step 4: Simplify right side
1,539,984.57x = 1,809,973,157,003.30 - Step 5: Solve for x
x = 1,809,973,157,003.30/1,539,984.57 - Step 6: Final answer
x = 1,175,319.02
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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.