Finding the Fourth Proportional to 1,991,456.72, 2,986,202.04 and 869,040.08
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Solution
The fourth proportional to 1,991,456.72, 2,986,202.04 and 869,040.08 is: 1,303,131.14
Step by Step Solution
- Step 1: Write the proportion equation
1,991,456.72 : 2,986,202.04 = 869,040.08 : x - Step 2: Convert to fraction form
1,991,456.72/2,986,202.04 = 869,040.08/x - Step 3: Cross multiply
1,991,456.72x = 2,986,202.04 × 869,040.08 - Step 4: Simplify right side
1,991,456.72x = 2,595,129,259,737.76 - Step 5: Solve for x
x = 2,595,129,259,737.76/1,991,456.72 - Step 6: Final answer
x = 1,303,131.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.