Finding the Fourth Proportional to 1,492,347.19, 2,238,260.85 and 481,469.05
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Solution
The fourth proportional to 1,492,347.19, 2,238,260.85 and 481,469.05 is: 722,119.71
Step by Step Solution
- Step 1: Write the proportion equation
1,492,347.19 : 2,238,260.85 = 481,469.05 : x - Step 2: Convert to fraction form
1,492,347.19/2,238,260.85 = 481,469.05/x - Step 3: Cross multiply
1,492,347.19x = 2,238,260.85 × 481,469.05 - Step 4: Simplify right side
1,492,347.19x = 1,077,653,325,101.69 - Step 5: Solve for x
x = 1,077,653,325,101.69/1,492,347.19 - Step 6: Final answer
x = 722,119.71
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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.