Finding the Fourth Proportional to 2,756,156.05, 4,134,785.93 and 1,543,457.25
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Solution
The fourth proportional to 2,756,156.05, 4,134,785.93 and 1,543,457.25 is: 2,315,494.92
Step by Step Solution
- Step 1: Write the proportion equation
2,756,156.05 : 4,134,785.93 = 1,543,457.25 : x - Step 2: Convert to fraction form
2,756,156.05/4,134,785.93 = 1,543,457.25/x - Step 3: Cross multiply
2,756,156.05x = 4,134,785.93 × 1,543,457.25 - Step 4: Simplify right side
2,756,156.05x = 6,381,865,320,856.49 - Step 5: Solve for x
x = 6,381,865,320,856.49/2,756,156.05 - Step 6: Final answer
x = 2,315,494.92
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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.