Finding the Fourth Proportional to 2,491,143.48, 3,437,788.50 and 1,403,428.08
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Solution
The fourth proportional to 2,491,143.48, 3,437,788.50 and 1,403,428.08 is: 1,936,736.66
Step by Step Solution
- Step 1: Write the proportion equation
2,491,143.48 : 3,437,788.50 = 1,403,428.08 : x - Step 2: Convert to fraction form
2,491,143.48/3,437,788.50 = 1,403,428.08/x - Step 3: Cross multiply
2,491,143.48x = 3,437,788.50 × 1,403,428.08 - Step 4: Simplify right side
2,491,143.48x = 4,824,688,914,001.08 - Step 5: Solve for x
x = 4,824,688,914,001.08/2,491,143.48 - Step 6: Final answer
x = 1,936,736.66
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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.