Finding the Fourth Proportional to 1,548,308.29, 2,135,803.70 and 1,438,707.81
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Solution
The fourth proportional to 1,548,308.29, 2,135,803.70 and 1,438,707.81 is: 1,984,616.04
Step by Step Solution
- Step 1: Write the proportion equation
1,548,308.29 : 2,135,803.70 = 1,438,707.81 : x - Step 2: Convert to fraction form
1,548,308.29/2,135,803.70 = 1,438,707.81/x - Step 3: Cross multiply
1,548,308.29x = 2,135,803.70 × 1,438,707.81 - Step 4: Simplify right side
1,548,308.29x = 3,072,797,464,326.62 - Step 5: Solve for x
x = 3,072,797,464,326.62/1,548,308.29 - Step 6: Final answer
x = 1,984,616.04
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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.