Finding the Fourth Proportional to 6,493,432.15, 8,957,032.05 and 4,288,315.29
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Solution
The fourth proportional to 6,493,432.15, 8,957,032.05 and 4,288,315.29 is: 5,915,296.66
Step by Step Solution
- Step 1: Write the proportion equation
6,493,432.15 : 8,957,032.05 = 4,288,315.29 : x - Step 2: Convert to fraction form
6,493,432.15/8,957,032.05 = 4,288,315.29/x - Step 3: Cross multiply
6,493,432.15x = 8,957,032.05 × 4,288,315.29 - Step 4: Simplify right side
6,493,432.15x = 38,410,577,493,035.05 - Step 5: Solve for x
x = 38,410,577,493,035.05/6,493,432.15 - Step 6: Final answer
x = 5,915,296.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.