Finding the Fourth Proportional to 6,564,657.79, 9,846,847.48 and 2,188,113.52
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Solution
The fourth proportional to 6,564,657.79, 9,846,847.48 and 2,188,113.52 is: 3,282,123.88
Step by Step Solution
- Step 1: Write the proportion equation
6,564,657.79 : 9,846,847.48 = 2,188,113.52 : x - Step 2: Convert to fraction form
6,564,657.79/9,846,847.48 = 2,188,113.52/x - Step 3: Cross multiply
6,564,657.79x = 9,846,847.48 × 2,188,113.52 - Step 4: Simplify right side
6,564,657.79x = 21,546,020,100,365.93 - Step 5: Solve for x
x = 21,546,020,100,365.93/6,564,657.79 - Step 6: Final answer
x = 3,282,123.88
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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.