Finding the Fourth Proportional to 1,665,636.43, 2,298,579.04 and 901,689.99
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Solution
The fourth proportional to 1,665,636.43, 2,298,579.04 and 901,689.99 is: 1,244,332.60
Step by Step Solution
- Step 1: Write the proportion equation
1,665,636.43 : 2,298,579.04 = 901,689.99 : x - Step 2: Convert to fraction form
1,665,636.43/2,298,579.04 = 901,689.99/x - Step 3: Cross multiply
1,665,636.43x = 2,298,579.04 × 901,689.99 - Step 4: Simplify right side
1,665,636.43x = 2,072,605,711,591.81 - Step 5: Solve for x
x = 2,072,605,711,591.81/1,665,636.43 - Step 6: Final answer
x = 1,244,332.60
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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.