Finding the Fourth Proportional to 5,128,291.09, 7,695,061.08 and 2,097,896.41
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Solution
The fourth proportional to 5,128,291.09, 7,695,061.08 and 2,097,896.41 is: 3,147,918.23
Step by Step Solution
- Step 1: Write the proportion equation
5,128,291.09 : 7,695,061.08 = 2,097,896.41 : x - Step 2: Convert to fraction form
5,128,291.09/7,695,061.08 = 2,097,896.41/x - Step 3: Cross multiply
5,128,291.09x = 7,695,061.08 × 2,097,896.41 - Step 4: Simplify right side
5,128,291.09x = 16,143,441,014,462.72 - Step 5: Solve for x
x = 16,143,441,014,462.72/5,128,291.09 - Step 6: Final answer
x = 3,147,918.23
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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.