Finding the Fourth Proportional to 1,412,133.12, 2,119,132.80 and 664,237.44
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Solution
The fourth proportional to 1,412,133.12, 2,119,132.80 and 664,237.44 is: 996,795.08
Step by Step Solution
- Step 1: Write the proportion equation
1,412,133.12 : 2,119,132.80 = 664,237.44 : x - Step 2: Convert to fraction form
1,412,133.12/2,119,132.80 = 664,237.44/x - Step 3: Cross multiply
1,412,133.12x = 2,119,132.80 × 664,237.44 - Step 4: Simplify right side
1,412,133.12x = 1,407,607,346,092.03 - Step 5: Solve for x
x = 1,407,607,346,092.03/1,412,133.12 - Step 6: Final answer
x = 996,795.08
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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.