Finding the Fourth Proportional to 2,157,168.35, 2,977,970.09 and 1,341,634.93
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Solution
The fourth proportional to 2,157,168.35, 2,977,970.09 and 1,341,634.93 is: 1,852,126.50
Step by Step Solution
- Step 1: Write the proportion equation
2,157,168.35 : 2,977,970.09 = 1,341,634.93 : x - Step 2: Convert to fraction form
2,157,168.35/2,977,970.09 = 1,341,634.93/x - Step 3: Cross multiply
2,157,168.35x = 2,977,970.09 × 1,341,634.93 - Step 4: Simplify right side
2,157,168.35x = 3,995,348,679,086.14 - Step 5: Solve for x
x = 3,995,348,679,086.14/2,157,168.35 - Step 6: Final answer
x = 1,852,126.50
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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.