Finding the Fourth Proportional to 7,853,762.28, 11,779,331.20 and 2,174,560.68
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Solution
The fourth proportional to 7,853,762.28, 11,779,331.20 and 2,174,560.68 is: 3,261,477.69
Step by Step Solution
- Step 1: Write the proportion equation
7,853,762.28 : 11,779,331.20 = 2,174,560.68 : x - Step 2: Convert to fraction form
7,853,762.28/11,779,331.20 = 2,174,560.68/x - Step 3: Cross multiply
7,853,762.28x = 11,779,331.20 × 2,174,560.68 - Step 4: Simplify right side
7,853,762.28x = 25,614,870,464,217.21 - Step 5: Solve for x
x = 25,614,870,464,217.21/7,853,762.28 - Step 6: Final answer
x = 3,261,477.69
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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.