Finding the Fourth Proportional to 7,856,585.87, 11,785,376.85 and 2,465,449.02
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Solution
The fourth proportional to 7,856,585.87, 11,785,376.85 and 2,465,449.02 is: 3,698,329.82
Step by Step Solution
- Step 1: Write the proportion equation
7,856,585.87 : 11,785,376.85 = 2,465,449.02 : x - Step 2: Convert to fraction form
7,856,585.87/11,785,376.85 = 2,465,449.02/x - Step 3: Cross multiply
7,856,585.87x = 11,785,376.85 × 2,465,449.02 - Step 4: Simplify right side
7,856,585.87x = 29,056,245,805,163.19 - Step 5: Solve for x
x = 29,056,245,805,163.19/7,856,585.87 - Step 6: Final answer
x = 3,698,329.82
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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.