Finding the Fourth Proportional to 1,512,946.64, 2,087,716.84 and 900,977.68
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Solution
The fourth proportional to 1,512,946.64, 2,087,716.84 and 900,977.68 is: 1,243,260.16
Step by Step Solution
- Step 1: Write the proportion equation
1,512,946.64 : 2,087,716.84 = 900,977.68 : x - Step 2: Convert to fraction form
1,512,946.64/2,087,716.84 = 900,977.68/x - Step 3: Cross multiply
1,512,946.64x = 2,087,716.84 × 900,977.68 - Step 4: Simplify right side
1,512,946.64x = 1,880,986,275,000.13 - Step 5: Solve for x
x = 1,880,986,275,000.13/1,512,946.64 - Step 6: Final answer
x = 1,243,260.16
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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.