Finding the Fourth Proportional to 1,756,793.12, 2,424,381.05 and 1,021,923.77
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Solution
The fourth proportional to 1,756,793.12, 2,424,381.05 and 1,021,923.77 is: 1,410,258.60
Step by Step Solution
- Step 1: Write the proportion equation
1,756,793.12 : 2,424,381.05 = 1,021,923.77 : x - Step 2: Convert to fraction form
1,756,793.12/2,424,381.05 = 1,021,923.77/x - Step 3: Cross multiply
1,756,793.12x = 2,424,381.05 × 1,021,923.77 - Step 4: Simplify right side
1,756,793.12x = 2,477,532,605,301.03 - Step 5: Solve for x
x = 2,477,532,605,301.03/1,756,793.12 - Step 6: Final answer
x = 1,410,258.60
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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.