Finding the Fourth Proportional to 4,163,509.58, 5,739,992.78 and 2,921,432.31
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Solution
The fourth proportional to 4,163,509.58, 5,739,992.78 and 2,921,432.31 is: 4,027,611.82
Step by Step Solution
- Step 1: Write the proportion equation
4,163,509.58 : 5,739,992.78 = 2,921,432.31 : x - Step 2: Convert to fraction form
4,163,509.58/5,739,992.78 = 2,921,432.31/x - Step 3: Cross multiply
4,163,509.58x = 5,739,992.78 × 2,921,432.31 - Step 4: Simplify right side
4,163,509.58x = 16,769,000,384,531.90 - Step 5: Solve for x
x = 16,769,000,384,531.90/4,163,509.58 - Step 6: Final answer
x = 4,027,611.82
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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.