Finding the Fourth Proportional to 2,756,153.75, 4,134,782.48 and 1,543,454.95
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Solution
The fourth proportional to 2,756,153.75, 4,134,782.48 and 1,543,454.95 is: 2,315,491.47
Step by Step Solution
- Step 1: Write the proportion equation
2,756,153.75 : 4,134,782.48 = 1,543,454.95 : x - Step 2: Convert to fraction form
2,756,153.75/4,134,782.48 = 1,543,454.95/x - Step 3: Cross multiply
2,756,153.75x = 4,134,782.48 × 1,543,454.95 - Step 4: Simplify right side
2,756,153.75x = 6,381,850,508,187.33 - Step 5: Solve for x
x = 6,381,850,508,187.33/2,756,153.75 - Step 6: Final answer
x = 2,315,491.47
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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.