Finding the Fourth Proportional to 5,120,766.34, 7,675,784.09 and 2,386,059.13
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Solution
The fourth proportional to 5,120,766.34, 7,675,784.09 and 2,386,059.13 is: 3,576,588.64
Step by Step Solution
- Step 1: Write the proportion equation
5,120,766.34 : 7,675,784.09 = 2,386,059.13 : x - Step 2: Convert to fraction form
5,120,766.34/7,675,784.09 = 2,386,059.13/x - Step 3: Cross multiply
5,120,766.34x = 7,675,784.09 × 2,386,059.13 - Step 4: Simplify right side
5,120,766.34x = 18,314,874,707,853.24 - Step 5: Solve for x
x = 18,314,874,707,853.24/5,120,766.34 - Step 6: Final answer
x = 3,576,588.64
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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.