Finding the Fourth Proportional to 1,997,660.70, 2,756,771.76 and 1,092,242.70
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Solution
The fourth proportional to 1,997,660.70, 2,756,771.76 and 1,092,242.70 is: 1,507,294.92
Step by Step Solution
- Step 1: Write the proportion equation
1,997,660.70 : 2,756,771.76 = 1,092,242.70 : x - Step 2: Convert to fraction form
1,997,660.70/2,756,771.76 = 1,092,242.70/x - Step 3: Cross multiply
1,997,660.70x = 2,756,771.76 × 1,092,242.70 - Step 4: Simplify right side
1,997,660.70x = 3,011,063,830,426.15 - Step 5: Solve for x
x = 3,011,063,830,426.15/1,997,660.70 - Step 6: Final answer
x = 1,507,294.92
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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.