Finding the Fourth Proportional to 1,960,917.18, 2,941,378.08 and 613,086.84
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Solution
The fourth proportional to 1,960,917.18, 2,941,378.08 and 613,086.84 is: 919,630.98
Step by Step Solution
- Step 1: Write the proportion equation
1,960,917.18 : 2,941,378.08 = 613,086.84 : x - Step 2: Convert to fraction form
1,960,917.18/2,941,378.08 = 613,086.84/x - Step 3: Cross multiply
1,960,917.18x = 2,941,378.08 × 613,086.84 - Step 4: Simplify right side
1,960,917.18x = 1,803,320,192,312.47 - Step 5: Solve for x
x = 1,803,320,192,312.47/1,960,917.18 - Step 6: Final answer
x = 919,630.98
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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.