Finding the Fourth Proportional to 1,914,730.26, 2,642,431.67 and 1,098,927.42
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Solution
The fourth proportional to 1,914,730.26, 2,642,431.67 and 1,098,927.42 is: 1,516,579.48
Step by Step Solution
- Step 1: Write the proportion equation
1,914,730.26 : 2,642,431.67 = 1,098,927.42 : x - Step 2: Convert to fraction form
1,914,730.26/2,642,431.67 = 1,098,927.42/x - Step 3: Cross multiply
1,914,730.26x = 2,642,431.67 × 1,098,927.42 - Step 4: Simplify right side
1,914,730.26x = 2,903,840,617,639.39 - Step 5: Solve for x
x = 2,903,840,617,639.39/1,914,730.26 - Step 6: Final answer
x = 1,516,579.48
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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.