Finding the Fourth Proportional to 2,958,272.53, 4,081,256.51 and 1,717,671.12
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Solution
The fourth proportional to 2,958,272.53, 4,081,256.51 and 1,717,671.12 is: 2,369,712.85
Step by Step Solution
- Step 1: Write the proportion equation
2,958,272.53 : 4,081,256.51 = 1,717,671.12 : x - Step 2: Convert to fraction form
2,958,272.53/4,081,256.51 = 1,717,671.12/x - Step 3: Cross multiply
2,958,272.53x = 4,081,256.51 × 1,717,671.12 - Step 4: Simplify right side
2,958,272.53x = 7,010,256,421,476.87 - Step 5: Solve for x
x = 7,010,256,421,476.87/2,958,272.53 - Step 6: Final answer
x = 2,369,712.85
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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.