Finding the Fourth Proportional to 2,667,763.28, 3,681,515.53 and 1,444,065.02
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Solution
The fourth proportional to 2,667,763.28, 3,681,515.53 and 1,444,065.02 is: 1,992,810.92
Step by Step Solution
- Step 1: Write the proportion equation
2,667,763.28 : 3,681,515.53 = 1,444,065.02 : x - Step 2: Convert to fraction form
2,667,763.28/3,681,515.53 = 1,444,065.02/x - Step 3: Cross multiply
2,667,763.28x = 3,681,515.53 × 1,444,065.02 - Step 4: Simplify right side
2,667,763.28x = 5,316,347,794,662.95 - Step 5: Solve for x
x = 5,316,347,794,662.95/2,667,763.28 - Step 6: Final answer
x = 1,992,810.92
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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.