Finding the Fourth Proportional to 1,624,771.50, 2,242,261.70 and 980,177.87
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Solution
The fourth proportional to 1,624,771.50, 2,242,261.70 and 980,177.87 is: 1,352,691.92
Step by Step Solution
- Step 1: Write the proportion equation
1,624,771.50 : 2,242,261.70 = 980,177.87 : x - Step 2: Convert to fraction form
1,624,771.50/2,242,261.70 = 980,177.87/x - Step 3: Cross multiply
1,624,771.50x = 2,242,261.70 × 980,177.87 - Step 4: Simplify right side
1,624,771.50x = 2,197,815,280,976.38 - Step 5: Solve for x
x = 2,197,815,280,976.38/1,624,771.50 - Step 6: Final answer
x = 1,352,691.92
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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.