Finding the Fourth Proportional to 2,144,197.96, 2,959,089.70 and 1,284,739.76
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Solution
The fourth proportional to 2,144,197.96, 2,959,089.70 and 1,284,739.76 is: 1,772,998.70
Step by Step Solution
- Step 1: Write the proportion equation
2,144,197.96 : 2,959,089.70 = 1,284,739.76 : x - Step 2: Convert to fraction form
2,144,197.96/2,959,089.70 = 1,284,739.76/x - Step 3: Cross multiply
2,144,197.96x = 2,959,089.70 × 1,284,739.76 - Step 4: Simplify right side
2,144,197.96x = 3,801,660,190,996.47 - Step 5: Solve for x
x = 3,801,660,190,996.47/2,144,197.96 - Step 6: Final answer
x = 1,772,998.70
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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.