Finding the Fourth Proportional to 1,753,615.24, 2,421,660.36 and 1,658,085.70
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Solution
The fourth proportional to 1,753,615.24, 2,421,660.36 and 1,658,085.70 is: 2,289,738.55
Step by Step Solution
- Step 1: Write the proportion equation
1,753,615.24 : 2,421,660.36 = 1,658,085.70 : x - Step 2: Convert to fraction form
1,753,615.24/2,421,660.36 = 1,658,085.70/x - Step 3: Cross multiply
1,753,615.24x = 2,421,660.36 × 1,658,085.70 - Step 4: Simplify right side
1,753,615.24x = 4,015,320,413,172.85 - Step 5: Solve for x
x = 4,015,320,413,172.85/1,753,615.24 - Step 6: Final answer
x = 2,289,738.55
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1.5x scale
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.