Finding the Fourth Proportional to 4,339,854.08, 5,989,193.06 and 2,479,432.28
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Solution
The fourth proportional to 4,339,854.08, 5,989,193.06 and 2,479,432.28 is: 3,421,727.62
Step by Step Solution
- Step 1: Write the proportion equation
4,339,854.08 : 5,989,193.06 = 2,479,432.28 : x - Step 2: Convert to fraction form
4,339,854.08/5,989,193.06 = 2,479,432.28/x - Step 3: Cross multiply
4,339,854.08x = 5,989,193.06 × 2,479,432.28 - Step 4: Simplify right side
4,339,854.08x = 14,849,798,561,772.85 - Step 5: Solve for x
x = 14,849,798,561,772.85/4,339,854.08 - Step 6: Final answer
x = 3,421,727.62
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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.