Finding the Fourth Proportional to 2,631,149.26, 3,630,986.02 and 1,423,925.26
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Solution
The fourth proportional to 2,631,149.26, 3,630,986.02 and 1,423,925.26 is: 1,965,016.88
Step by Step Solution
- Step 1: Write the proportion equation
2,631,149.26 : 3,630,986.02 = 1,423,925.26 : x - Step 2: Convert to fraction form
2,631,149.26/3,630,986.02 = 1,423,925.26/x - Step 3: Cross multiply
2,631,149.26x = 3,630,986.02 × 1,423,925.26 - Step 4: Simplify right side
2,631,149.26x = 5,170,252,712,584.87 - Step 5: Solve for x
x = 5,170,252,712,584.87/2,631,149.26 - Step 6: Final answer
x = 1,965,016.88
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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.