Finding the Fourth Proportional to 6,439,944.65, 8,887,336.67 and 3,539,438.33
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Solution
The fourth proportional to 6,439,944.65, 8,887,336.67 and 3,539,438.33 is: 4,884,541.99
Step by Step Solution
- Step 1: Write the proportion equation
6,439,944.65 : 8,887,336.67 = 3,539,438.33 : x - Step 2: Convert to fraction form
6,439,944.65/8,887,336.67 = 3,539,438.33/x - Step 3: Cross multiply
6,439,944.65x = 8,887,336.67 × 3,539,438.33 - Step 4: Simplify right side
6,439,944.65x = 31,456,180,025,824.47 - Step 5: Solve for x
x = 31,456,180,025,824.47/6,439,944.65 - Step 6: Final answer
x = 4,884,541.99
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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.