Finding the Fourth Proportional to 4,012,011.81, 6,017,996.95 and 979,393.68
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Solution
The fourth proportional to 4,012,011.81, 6,017,996.95 and 979,393.68 is: 1,469,085.45
Step by Step Solution
- Step 1: Write the proportion equation
4,012,011.81 : 6,017,996.95 = 979,393.68 : x - Step 2: Convert to fraction form
4,012,011.81/6,017,996.95 = 979,393.68/x - Step 3: Cross multiply
4,012,011.81x = 6,017,996.95 × 979,393.68 - Step 4: Simplify right side
4,012,011.81x = 5,893,988,176,640.79 - Step 5: Solve for x
x = 5,893,988,176,640.79/4,012,011.81 - Step 6: Final answer
x = 1,469,085.45
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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.