Finding the Fourth Proportional to 1,542,073.17, 2,310,987.68 and 1,313,184.49
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Solution
The fourth proportional to 1,542,073.17, 2,310,987.68 and 1,313,184.49 is: 1,967,969.64
Step by Step Solution
- Step 1: Write the proportion equation
1,542,073.17 : 2,310,987.68 = 1,313,184.49 : x - Step 2: Convert to fraction form
1,542,073.17/2,310,987.68 = 1,313,184.49/x - Step 3: Cross multiply
1,542,073.17x = 2,310,987.68 × 1,313,184.49 - Step 4: Simplify right side
1,542,073.17x = 3,034,753,177,957.08 - Step 5: Solve for x
x = 3,034,753,177,957.08/1,542,073.17 - Step 6: Final answer
x = 1,967,969.64
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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.