Finding the Fourth Proportional to 1,410,673.80, 2,116,010.70 and 747,121.80
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Solution
The fourth proportional to 1,410,673.80, 2,116,010.70 and 747,121.80 is: 1,120,682.70
Step by Step Solution
- Step 1: Write the proportion equation
1,410,673.80 : 2,116,010.70 = 747,121.80 : x - Step 2: Convert to fraction form
1,410,673.80/2,116,010.70 = 747,121.80/x - Step 3: Cross multiply
1,410,673.80x = 2,116,010.70 × 747,121.80 - Step 4: Simplify right side
1,410,673.80x = 1,580,917,723,003.26 - Step 5: Solve for x
x = 1,580,917,723,003.26/1,410,673.80 - Step 6: Final answer
x = 1,120,682.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.