Finding the Fourth Proportional to 4,896,129.56, 6,756,523.98 and 2,720,616.44
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Solution
The fourth proportional to 4,896,129.56, 6,756,523.98 and 2,720,616.44 is: 3,754,375.78
Step by Step Solution
- Step 1: Write the proportion equation
4,896,129.56 : 6,756,523.98 = 2,720,616.44 : x - Step 2: Convert to fraction form
4,896,129.56/6,756,523.98 = 2,720,616.44/x - Step 3: Cross multiply
4,896,129.56x = 6,756,523.98 × 2,720,616.44 - Step 4: Simplify right side
4,896,129.56x = 18,381,910,217,242.23 - Step 5: Solve for x
x = 18,381,910,217,242.23/4,896,129.56 - Step 6: Final answer
x = 3,754,375.78
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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.