Finding the Fourth Proportional to 2,780,240.08, 4,170,971.40 and 1,582,723.12
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Solution
The fourth proportional to 2,780,240.08, 4,170,971.40 and 1,582,723.12 is: 2,374,432.67
Step by Step Solution
- Step 1: Write the proportion equation
2,780,240.08 : 4,170,971.40 = 1,582,723.12 : x - Step 2: Convert to fraction form
2,780,240.08/4,170,971.40 = 1,582,723.12/x - Step 3: Cross multiply
2,780,240.08x = 4,170,971.40 × 1,582,723.12 - Step 4: Simplify right side
2,780,240.08x = 6,601,492,867,638.77 - Step 5: Solve for x
x = 6,601,492,867,638.77/2,780,240.08 - Step 6: Final answer
x = 2,374,432.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.