Finding the Fourth Proportional to 2,512,603.84, 3,467,403.52 and 1,366,691.20
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Solution
The fourth proportional to 2,512,603.84, 3,467,403.52 and 1,366,691.20 is: 1,886,039.42
Step by Step Solution
- Step 1: Write the proportion equation
2,512,603.84 : 3,467,403.52 = 1,366,691.20 : x - Step 2: Convert to fraction form
2,512,603.84/3,467,403.52 = 1,366,691.20/x - Step 3: Cross multiply
2,512,603.84x = 3,467,403.52 × 1,366,691.20 - Step 4: Simplify right side
2,512,603.84x = 4,738,869,877,633.02 - Step 5: Solve for x
x = 4,738,869,877,633.02/2,512,603.84 - Step 6: Final answer
x = 1,886,039.42
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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.