Finding the Fourth Proportional to 4,826,658.31, 6,660,903.45 and 2,651,247.02
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Solution
The fourth proportional to 4,826,658.31, 6,660,903.45 and 2,651,247.02 is: 3,658,784.05
Step by Step Solution
- Step 1: Write the proportion equation
4,826,658.31 : 6,660,903.45 = 2,651,247.02 : x - Step 2: Convert to fraction form
4,826,658.31/6,660,903.45 = 2,651,247.02/x - Step 3: Cross multiply
4,826,658.31x = 6,660,903.45 × 2,651,247.02 - Step 4: Simplify right side
4,826,658.31x = 17,659,700,422,320.22 - Step 5: Solve for x
x = 17,659,700,422,320.22/4,826,658.31 - Step 6: Final answer
x = 3,658,784.05
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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.