Finding the Fourth Proportional to 1,512,246.70, 2,266,007.68 and 1,286,679.52
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Solution
The fourth proportional to 1,512,246.70, 2,266,007.68 and 1,286,679.52 is: 1,928,009.28
Step by Step Solution
- Step 1: Write the proportion equation
1,512,246.70 : 2,266,007.68 = 1,286,679.52 : x - Step 2: Convert to fraction form
1,512,246.70/2,266,007.68 = 1,286,679.52/x - Step 3: Cross multiply
1,512,246.70x = 2,266,007.68 × 1,286,679.52 - Step 4: Simplify right side
1,512,246.70x = 2,915,625,674,018.71 - Step 5: Solve for x
x = 2,915,625,674,018.71/1,512,246.70 - Step 6: Final answer
x = 1,928,009.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.